Home / Standards / GB 3836.9-1990 GB 3836.9-1990 Abolished Electrical apparatus for explosive atmospheres--Encapsulated electrical apparatus “m” 爆炸性环境用防爆电气设备 浇封型电气设备 “m” Standard Type GB ICS 29.260.20 CCS K35 Status 废止 Issue Date 1990-08-27 Implementation 1991-03-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A