Home / Standards / GB/T 5156-2013 GB/T 5156-2013 Abolished Magnesium alloy extruded profiles 镁合金热挤压型材 Standard Type GBT ICS 77.120.20 CCS H61 Status 废止 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