Home / Standards / GB/T 16840.2-1997 GB/T 16840.2-1997 Abolished Technical determination methods for electrical fire cause--Part 2:Residual magnetic method 电气火灾原因技术鉴定方法 第2部分:剩磁法 Standard Type GBT ICS 13.220 CCS C82 Status 废止 Issue Date 1997-06-03 Implementation 1998-05-01 Responsible Dept 国家消防救援局 Drafting Unit N/A