Home / Standards / GB/T 20926-2007 GB/T 20926-2007 Active Magnesium and magnesium alloy scraps 镁及镁合金废料 Standard Type GBT ICS 77.120.20 CCS H61 Status 现行 Issue Date 2007-04-30 Implementation 2007-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A