纤维光学开关 第一部分:总规范(可供认证用)
Fibre optic switches-Part 1:Generic specification
Fibre optic switches-Part 1:Generic specification
Information technology-Universal keyboard layout of the alphanumeric zone for Uyghur
Fibre optic attenuators--Part 1:Generic specification
Generie specification of rubidium frequency standard
Information technology-Open system interconnection-Transport service definitionn(ISO/IEC 8072:1996,IDT)
Quartz crystal controlled oscillators of assessed quality-Part 4-1: Blank detail specification-Capability approval
Test methods of safe operating area for power transistors
Quartz crystal units of assessed quality-Part 1:Generic specification
Quartz crystal unitsA specification in the quality assessment system for electronie components Part 5.1: Blank detail specification-Qualification approval
The rule of type designation forquartz crystal oscillators