Home / Standards / GB/T 3836.9-2021 GB/T 3836.9-2021 Active Explosive atmospheres—Part 9:Equipment protection by encapsulation “m” 爆炸性环境 第9部分:由浇封型“m”保护的设备 Standard Type GBT ICS 29.260.20 CCS K35 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A