DIN EN 10217-1-2005 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1 Non-alloy steel tubes with specified room temperature properties German versio.pdf

上传人:bowdiet140 文档编号:663758 上传时间:2018-12-25 格式:PDF 页数:40 大小:2.37MB
下载 相关 举报
DIN EN 10217-1-2005 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1 Non-alloy steel tubes with specified room temperature properties German versio.pdf_第1页
第1页 / 共40页
DIN EN 10217-1-2005 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1 Non-alloy steel tubes with specified room temperature properties German versio.pdf_第2页
第2页 / 共40页
DIN EN 10217-1-2005 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1 Non-alloy steel tubes with specified room temperature properties German versio.pdf_第3页
第3页 / 共40页
DIN EN 10217-1-2005 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1 Non-alloy steel tubes with specified room temperature properties German versio.pdf_第4页
第4页 / 共40页
DIN EN 10217-1-2005 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1 Non-alloy steel tubes with specified room temperature properties German versio.pdf_第5页
第5页 / 共40页
点击查看更多>>
资源描述

1、ICS 23.040.10; 77.140.75Welded steel tubes for pressure purposes Technical delivery conditionsPart 1: Non-alloy steel tubes with specified room temperature properties(includes Amendment A1:2005)English version of DIN EN 10217-1:2002 + A1:2005Geschweite Stahlrohre fr Druckbeanspruchungen Technische L

2、ieferbedingungen Teil 1: Rohre ausunlegierten Sthlen mit festgelegten Eigenschaften bei Raumtemperatur (enthlt nderung A1:2005)A comma is used as the decimal marker.National forewordThis standard has been prepared by ECISS/TC 29 Steel tubes and fittings for steel tubes (Secretariat: Italy).The respo

3、nsible German body involved in its preparation was the Normenausschuss Eisen und Stahl (Steeland Iron Standards Committee), Technical Committee Rohre aus allgemeinen Bausthlen oder Feinkornbau-sthlen.DIN V 17006-100 is the standard corresponding to CEN Technical Report CR 10260 referred to in clause

4、 2of the EN.AmendmentsThis standard differs from the August 2002 edition in that more detailed specifications regarding inspectionhave been given and Annex ZA has been revised.Previous editionsDIN 1626: 1952x-12, 1984-10; DIN 1626-1: 1965-01; DIN 1626-3: 1965-01; DIN 1626-4: 1965-01;DIN 1628: 1984-1

5、0; DIN EN 10217-1: 2002-08.National Annex NAStandard referred to(and not included in Normative references and Bibliography)DIN V 17006-100 Designation systems for steel Additional symbols for steel namesDEUTSCHE NORM April 2005DIN EN 10217-1 No part of this standard may be reproduced without the pri

6、or permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).SupersedesAugust 2002 edition.English price group 17www.din.dewww.beuth.de9637698Continued overleaf.Document comprises 39 pages.0

7、6.05English versionICS 23.040.10; 77.140.75 Supersedes EN 10217-1:2002.Welded steel tubes for pressure purposes Technical delivery conditionsPart 1: Non-alloy steel tubes with specified room temperature properties(includes Amendment A1:2005) 2005. CEN All rights of exploitation in any form and by an

8、y meansreserved worldwide for CEN national members.Ref. No. EN 10217-1:2002 + A1:2005 EGeschweite Stahlrohre fr Druckbe-anspruchungen Technische Liefer-bedingungen Teil 1: Rohre ausunlegierten Sthlen mit festgelegtenEigenschaften bei Raumtemperatur(enthlt nderung A1:2005)This European Standard was a

9、pproved by CEN on 2002-04-25 and AmendmentA1 on 2004-12-09.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references

10、 concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own

11、language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg,

12、 Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.Management Centre: 36, rue de Stassart, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungTubes souds en acier pour s

13、ervicesous pression Conditions techni-ques de livraison Partie 1: Tubes enacier non alli avec caractristiquesspcifies temprature ambiante(amendement A1:2005 inclus)EN 10217-1January 2005+A1May 2002Page 2EN 10217-1:2002 + A1:2005ContentsPageForeword to EN 10217-1:2002 . . . . . . . . . . . . . . . .

14、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Foreword to EN 10217-1:2002/A1:2005 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Scope . . . . . . . . . . . . . . . . . . . . . . . . .

15、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Normative references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Terms and definitions . . .

16、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

17、 Classification and designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65.1 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18、. . . . . . . . 65.2 Designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Information to be supplied by the purchaser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19、. . . . . . . . . . . . 66.1 Mandatory information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66.2 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20、. . . . . . . . . . . . . . . . . . . . . . . . . . 76.3 Example of an order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Manufacturing process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77.1 Steelmaking process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77.2 Deoxidation process . . . . . . . . . . . . . . . . . . . . . . .

22、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77.3 Tube manufacture and delivery conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . .

23、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98.2 Chemical composition . . . . .

24、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98.3 Mechanical properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118.4 Appearance and

25、 internal soundness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128.5 Straightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138.6 Pre

26、paration of ends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138.7 Dimensions, masses and tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

27、 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199.1 Types of inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28、. . . . . . . . . . . . 199.2 Inspection documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199.3 Summary of inspection and testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29、 . . . . . . . . . . . . . . 2010 Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2210.1 Frequency of tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30、 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2210.2 Preparation of samples and test pieces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2311 Test methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2511.1 Chemical analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2511.2 Tensile test on base material . . . . . . . . . . . . . . . . . . . .

32、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2511.3 Transverse tensile test on the weld . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2511.4 Flattening test . . . . . . . . . . . . . . . . . . . . . . . . . .

33、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2511.5 Drift expanding test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2611.6 Weld bend test . . . . . . . . . . . . . .

34、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2611.7 Impact test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2611.8 Leak-tightness

35、test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2711.9 Dimensional inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2811.10

36、 Visual examination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2811.11 Non-destructive testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37、. . . . 2811.12 Retest, sorting and reprocessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2812 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38、. . . . . . . . . . . . 2812.1 Marking to be applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2812.2 Additional marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39、 . . . . . . . . . . . . . . . . . . . . 2913 Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Annex A (normative) Qualification of welding procedure for SAW tube production . . . . . .

40、. . . . . . . . 30Annex ZA (informative) Relationship between this European Standard and the EssentialRequirements of 97/23/EC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

41、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Page 3EN 10217-1:2002 + A1:2005Foreword to EN 10217-1:2002This European Standard has been prepared by Technical Committee ECISS/TC 29 Steel tubes and fittings forsteel tubes, the Secretariat of which is held by UNI.T

42、his European Standard has been prepared under a mandate given to CEN by the European Commission andthe European Free Trade Association, and supports essential requirements of the relevant EU Directive.For relationship with this directive, see Annex ZA.This European Standard shall be given the status

43、 of a national standard, either by publication of an identicaltext or by endorsement, and conflicting national standards withdrawn, by November 2002 at the latest.Other parts of EN 10217 are:Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature propertiesPart 3:

44、 Alloy fine grain steel tubesPart 4: Electric welded non-alloy steel tubes with specified low temperature propertiesPart 5: Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature propertiesPart 6: Submerged arc welded non-alloy steel tubes with specified low tempera

45、ture propertiesPart 7: Stainless steel tubesAnother European Standard series covering tubes for pressure purposes is:EN 10216 Seamless steel tubes for pressure purposes.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound

46、 to implement this European Standard:Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom.Foreword to EN 10217-1:2002/A1:2005This amendment to

47、EN 10217-1:2002 has been prepared by Technical Committee ECISS/TC 29 Steel tubesand fittings for steel tubes, the Secretariat of which is held by UNI.This European Standard has been prepared under a mandate given to CEN by the European Commission andthe European Free Trade Association, and supports

48、essential requirements of the relevant EU Directive.For relationship with this directive, see Annex ZA.This amendment shall be given the status of a national standard, either by publication of an identical text or byendorsement, and conflicting national standards withdrawn, by July 2005 at the lates

49、t.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound to implement this European Standard:Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal,Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.Page 4EN 10217-1:2002 + A1:20051 Scope2 Normative referencesPage 5EN 10217-1:2002 + A1:20053

展开阅读全文
相关资源
  • DIN EN 818-7-2008 Short link chain for lifting purposes - Safety - Part 7 Fine tolerance hoist chain Grade T (Types T DAT and DT)(includes Amendment A1 2008) Ge.pdfDIN EN 818-7-2008 Short link chain for lifting purposes - Safety - Part 7 Fine tolerance hoist chain Grade T (Types T DAT and DT)(includes Amendment A1 2008) Ge.pdf
  • DIN EN 1677-3-2008 Components for slings - Safety - Part 3 Forged steel self-locking hooks Grade 8(includes Amendment A1 2008) English version of DIN EN 1677-3 .pdfDIN EN 1677-3-2008 Components for slings - Safety - Part 3 Forged steel self-locking hooks Grade 8(includes Amendment A1 2008) English version of DIN EN 1677-3 .pdf
  • DIN EN 1677-2-2008 Components for slings - Safety - Part 2 Forged steel lifting hooks with latch Grade 8(includes Amendment A1 2008) English version of DIN EN 1.pdfDIN EN 1677-2-2008 Components for slings - Safety - Part 2 Forged steel lifting hooks with latch Grade 8(includes Amendment A1 2008) English version of DIN EN 1.pdf
  • DIN EN 1670-2007 Building hardware - Corrosion resistance - Requirements and test methods English version of DIN EN 1670 2007-06《建筑五金器具 耐腐蚀 要求和试验方法》.pdfDIN EN 1670-2007 Building hardware - Corrosion resistance - Requirements and test methods English version of DIN EN 1670 2007-06《建筑五金器具 耐腐蚀 要求和试验方法》.pdf
  • DIN EN 1656-2010 Chemical disinfectants and antiseptics - Quantitative suspension test for the evaluation of bactericidal activity of chemical disinfectants and.pdfDIN EN 1656-2010 Chemical disinfectants and antiseptics - Quantitative suspension test for the evaluation of bactericidal activity of chemical disinfectants and.pdf
  • DIN EN 1230-2-2018 Paper and board intended to come into contact with foodstuffs - Sensory analysis - Part 2 Off-flavour (taint) German version EN 1230-2 2009《用.pdfDIN EN 1230-2-2018 Paper and board intended to come into contact with foodstuffs - Sensory analysis - Part 2 Off-flavour (taint) German version EN 1230-2 2009《用.pdf
  • DIN EN 1176-7-2008 Playground equipment and surfacing - Part 7 Guidance on installation inspection maintenance and operation English version of DIN EN 1176-7 20.pdfDIN EN 1176-7-2008 Playground equipment and surfacing - Part 7 Guidance on installation inspection maintenance and operation English version of DIN EN 1176-7 20.pdf
  • DIN EN 1176-5-2008 Playground equipment and surfacing - Part 5 Additional specific safety requirements and test methods for carousels English version of DIN EN .pdfDIN EN 1176-5-2008 Playground equipment and surfacing - Part 5 Additional specific safety requirements and test methods for carousels English version of DIN EN .pdf
  • DIN EN 1159-1-2007 Advanced technical ceramics - Ceramic composites - Thermophysical properties - Part 1 Determination of thermal expansion (includes Corrigendu.pdfDIN EN 1159-1-2007 Advanced technical ceramics - Ceramic composites - Thermophysical properties - Part 1 Determination of thermal expansion (includes Corrigendu.pdf
  • DIN EN 1093-4-2008 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 4 Capture efficiency of an exhaust system - Tracer m.pdfDIN EN 1093-4-2008 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 4 Capture efficiency of an exhaust system - Tracer m.pdf
  • 猜你喜欢
  • DIN 19662-2012 Soil quality - Field tests - Determination of soil penetration resistance by means of a hand held penetrometer《土质 现场试验 使用手持式穿透计测定土壤的穿透阻力》.pdf DIN 19662-2012 Soil quality - Field tests - Determination of soil penetration resistance by means of a hand held penetrometer《土质 现场试验 使用手持式穿透计测定土壤的穿透阻力》.pdf
  • DIN 19663-1985 Torrent control terms planning and construction《山洪控制 术语 计划和建造》.pdf DIN 19663-1985 Torrent control terms planning and construction《山洪控制 术语 计划和建造》.pdf
  • DIN 19666-2001 Drain pipes and percolation pipes - General requirements《排水管道和渗滤管道 一般要求》.pdf DIN 19666-2001 Drain pipes and percolation pipes - General requirements《排水管道和渗滤管道 一般要求》.pdf
  • DIN 19667-2015 Drainage of landfills - Design construction and operation《垃圾填埋排放设备 设计 建造和运营》.pdf DIN 19667-2015 Drainage of landfills - Design construction and operation《垃圾填埋排放设备 设计 建造和运营》.pdf
  • DIN 19671-1-1964 Soil drilling apparatus for drawing soil samples in agricultural engineering groove borers tube borers《农业工程用土壤钻具 第1部分 槽形钻孔器和管形钻孔器》.pdf DIN 19671-1-1964 Soil drilling apparatus for drawing soil samples in agricultural engineering groove borers tube borers《农业工程用土壤钻具 第1部分 槽形钻孔器和管形钻孔器》.pdf
  • DIN 19671-2-1964 Soil drilling apparatur for drawing soil samples in agricultural engineering rod rotating borers sampling spoon sampling spoon for marshes twist drills《农业工程用土壤钻具 第.pdf DIN 19671-2-1964 Soil drilling apparatur for drawing soil samples in agricultural engineering rod rotating borers sampling spoon sampling spoon for marshes twist drills《农业工程用土壤钻具 第.pdf
  • DIN 19672-1-1968 Apparatus for drawing soil samples in agricultural engineering apparatus for soil sampling in undisturbed situation《农业工程用土壤取样器 第1部分 原状地层的土壤取样器》.pdf DIN 19672-1-1968 Apparatus for drawing soil samples in agricultural engineering apparatus for soil sampling in undisturbed situation《农业工程用土壤取样器 第1部分 原状地层的土壤取样器》.pdf
  • DIN 19672-2-1968 Apparatus for drawing soil samples in agricultural engineering apparatus for the investigation and drawing of peat samples《农业工程用土壤取样器 第2部分 泥岩取样和探查用设备》.pdf DIN 19672-2-1968 Apparatus for drawing soil samples in agricultural engineering apparatus for the investigation and drawing of peat samples《农业工程用土壤取样器 第2部分 泥岩取样和探查用设备》.pdf
  • DIN 19673-2013 Soil quality - Graphical presentation of pedological examination results《土壤质量 土壤检验结果的图形表示》.pdf DIN 19673-2013 Soil quality - Graphical presentation of pedological examination results《土壤质量 土壤检验结果的图形表示》.pdf
  • 相关搜索

    当前位置:首页 > 标准规范 > 国际标准 > DIN

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1