GB/T 25285.2-2021爆炸性环境 爆炸预防和防护第2部分:矿山爆炸预防和防护的基本原则和方法标准
英文:Explosive atmospheres—Explosion prevention and protection—Part 2: Basic concepts and methodology for mining GB/T 2528...
英文:Explosive atmospheres—Explosion prevention and protection—Part 2: Basic concepts and methodology for mining GB/T 2528...