GB 39800.2-2020个体防护装备配备规范第2部分:石油、化工、天然气标准
英文:Specification of the provision of personal protective equipment—Part 2: Oil, chemical and gas industry GB 39800.2-202...
英文:Specification of the provision of personal protective equipment—Part 2: Oil, chemical and gas industry GB 39800.2-202...