NBN T 63-123-1980 3125 Surface active agents - Analysis of soaps - Determination of low contents of free glycerol - Spectrophotometric method《表面活性剂 肥皂分析 对低浓度游离甘油的测定（分光光度分析法）》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

DIN EN ISO 17635-2017 Non-destructive testing of welds - General rules for metallic materials (ISO 17635 2016) German version EN ISO 17635 2016《焊接无损检测 金属材料的通用规则(ISO 17635-2016) 德文版.pdf

DIN EN ISO 17636-1-2013 Non-destructive testing of welds - Radiographic testing - Part 1 X- and gamma-ray techniques with film (ISO 17636-1 2013) German version EN ISO 17636-1 2013.pdf

DIN EN ISO 17636-2-2013 Non-destructive testing of welds - Radiographic testing - Part 2 X- and gamma-ray techniques with digital detectors (ISO 17636-2 2013) German version EN ISO.pdf

DIN EN ISO 17637-2017 Non-destructive testing of welds - Visual testing of fusion-welded joints (ISO 17637 2016) German version EN ISO 17637 2016《焊缝的无损检验 熔焊接头的外观检验(ISO 17637-2016) .pdf

DIN EN ISO 17638-2017 Non-destructive testing of welds - Magnetic particle testing (ISO 17638 2016) German version EN ISO 17638 2016《焊缝的无损检验 磁粒子试验(ISO 17638-2016) 德文版本EN ISO 17638-.pdf

DIN EN ISO 17639-2013 Destructive tests on welds in metallic materials - Macroscopic and microscopic examination of welds (ISO 17639 2003) German version EN ISO 17639 2013《金属材料焊接的破.pdf

DIN EN ISO 17641-1-2004 Destructive tests on welds in metallic materials - Hot cracking tests for weldments - Arc welding processes - Part 1 General (ISO 17641-1 2004) German versi.pdf

DIN EN ISO 17641-2-2016 Destructive tests on welds in metallic materials - Hot cracking tests for weldments - Arc welding processes - Part 2 Self-restraint tests (ISO 17641-2 2015).pdf

DIN EN ISO 17642-1-2004 Destructive tests on welds in metallic materials - Cold cracking tests for weldments - Arc welding processes - Part 1 General (ISO 17642-1 2004) German vers.pdf