国内卫星通信地球站地面接口要求
Requirements of terrestrial interfacefor domestie satellite communications earth stations
Requirements of terrestrial interfacefor domestie satellite communications earth stations
Semiconductor devices Sectional specification for optoelectronic devices
The patternes series for artwork master of printed circuits
Semiconductor devices Sectional specification for discrete devices
Specification of iniection moulds for plastics
Iniection mould bases for plastics
Generie specification for photomultiplier tubes
Methods of measurement of monochrome display tubes
Fire performance requirements and test methods for fire fight vessels
Maximal safety depths for commercial diving