NBN-EN 25135-1992 5625 《声音 排气口发出音量的水平测定 混响室里所有的高 低速，高 低压，音栓和阀门》.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 EN 50303-2000 Group I Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and or coal dust《在有着沼气和 或煤尘危险的大气中保持功能的1组M1目录设备》.pdf

BS EN 50305-2002 Railway applications - Railway rolling stock cables having special fire performance - Test methods《铁道设施 具有特别防火性能的铁道机车车辆 试验方法》.pdf

BS EN 50306-1-2002 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - General requirements《轨道交通 有专门防火性能的铁路机车车辆电缆 薄壁 一般要求》.pdf

BS EN 50306-2-2002 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Single core cables《轨道交通 有专门防火性能的铁路机车车辆电缆 薄壁 单芯电缆》.pdf

BS EN 50306-3-2002 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Single core and multicore cables (pairs triples and quads) scre.pdf

BS EN 50306-4-2002 Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Multicore and multipair cables standard wall sheathed《轨道交通 有专门防.pdf

BS EN 50307-2003 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables《铅和铅合金 电缆的铅和铅合金护套和套管》.pdf

BS EN 50308-2004 Wind turbines - Protective measures - Requirements for design operation and maintenance《风轮机 防护措施 设计、运行和维护要求》.pdf

BS EN 50310-2016 Telecommunications bonding networks for buildings and other structures《建筑物和其他构筑物的电信绑定网络》.pdf