CSN 13 1075-1990 Piping Preparation of ends of pipeline details for welding《焊接用管道端准备细节》.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

GB T 13823.18-1997 振动与冲击传感器的校准方法 互易法校准.pdf

GB T 13823.2-1992 振动与冲击传感器的校准方法 激光干涉振动绝对校准(一次校准).pdf

GB T 13823.3-1992 振动与冲击传感器的校准方法 正弦激励法校准(二次校准).pdf

GB T 13823.7-1994 振动与冲击传感器的校准方法 相位比较法振动校准.pdf

GB T 13823.8-1994 振动与冲击传感器的校准方法 横向振动灵敏度测试.pdf

GB T 13825-1992 金属覆盖层 黑色金属材料热镀锌层的质量测定 称量法.pdf

GB T 13826-1992 湿式(非金属类)摩擦材料.pdf

GB T 13828-1992 多股圆柱螺旋弹簧.pdf

GB T 13829.1-1992 槽销.pdf