Home / Standards / GB/T 11090-2013 GB/T 11090-2013 Active copper and copper alloy strips for detonator 雷管用铜及铜合金带 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2013-09-27 Implementation 2014-08-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A