Home / Standards / GB 25285.2-2010 GB 25285.2-2010 Abolished Explosive atmospheres - Explosion prevention and protection - Part 2: Basic concepts and methodology for mining 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 Standard Type GB ICS 29.260.20 CCS K35 Status 废止 Issue Date 2010-11-10 Implementation 2011-09-01 Responsible Dept 工业和信息化部 Drafting Unit N/A