Home / Standards / GB/T 28904-2012 GB/T 28904-2012 Active Steel strips for steel-aluminum composite 钢铝复合用钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A