Home / Standards / GB/T 13238-1991 GB/T 13238-1991 Active Copper-steel clad plates 铜钢复合钢板 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 1991-11-06 Implementation 1992-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A