减振器部件检测
NF F01-422:2004 轨道交通.悬架元部件.液压减振器
Railway applications - Suspension components - Hydraulic dampers.
插头、插座检测
VC 8008-1998 插头,插座和插座底壳
Covers plugs, socket-outlets (fixed or portable, single or multiple) and socket-outlet