Home / Standards / GB 3836.20-2010 GB 3836.20-2010 Active Explosive atmospheres - Part 20: Equipment with equipment protection level (EPL) Ga 爆炸性环境 第20部分:设备保护级别(EPL)为Ga级的设备 Standard Type GB ICS 29.260.20 CCS K35 Status 现行 Issue Date 2010-11-10 Implementation 2011-09-01 Responsible Dept 工业和信息化部 Drafting Unit N/A