ETSI ETR 251-1996 Public Switched Telephone Network (PSTN) Signalling System R2 Digital Line Signalling (CEPT Recommendation T CS 42-03 E (1985))《公用交换电话网(PSTN) 信令系统R2 数字线路信令(CEPT建议_1.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

BS 8002-2015 Code of practice for earth retaining structures《挡土结构实用规程》.pdf

BS 8004-2015 Code of practice for foundations《地基实用规程》.pdf

BS 8006-1-2010+A1-2016 Code of practice for strengthened reinforced soils and other fills《加固 加筋土壤和其他填充料的实施规程》.pdf

BS 8006-2-2011 Code of practice for strengthened reinforced soils Soil nail design《加强 增强土壤实施规程 泥钉的设计》.pdf

BS 8006-2-2011+A1-2017 Code of practice for strengthened reinforced soils.pdf

BS 8010-2 5-1989 Code of practice for pipelines - Pipelines on land design construction and installation - Glass reinforced thermosetting plastics《管道的实用规程 第2部分 陆地管道 设计、制造和安装 第5节 玻璃.pdf

BS 8020-2011 Tools for live working Specification for insulating hand tools for work on or near conductor rail systems operating at voltages up to 1000 V a c or 1500 V d c《带电作业工具 在.pdf

BS 807-1955 Specification for spot welding electrodes《点焊电极的规范》.pdf

BS 8081-2015 Code of practice for grouted anchors《锚固工程的实施规程》.pdf