
电信设备通用文字符号
Letter symbols for telecommunication equipment
Letter symbols for telecommunication equipment
Blank detail specification for image-converter tubes and image intensifier tubes
Generic specification for image-converter tubes and image intensifier tubes
Specifications of anthracite for determination of caking index of bituminous coal
Test methods for spiral wound gaskets
Fiber grade polyester chip(PET)
Packing containers-Fibre drum
Generic specification for gas-filled voltage stabilizing tubes
Prosthetics and orthotics-Vocabulary Part 1: General terms for external limb prostheses and external orthoses
Prosthetics and orthotics-Vocabulary Part 3:Terms relating to orthoses