Home / Standards / GB/T 13819-2013 GB/T 13819-2013 Active Copper and copper alloy castings 铜及铜合金铸件 Standard Type GBT ICS 77.120.30 CCS J31 Status 现行 Issue Date 2013-09-18 Implementation 2014-06-01 Responsible Dept 国家标准委 Drafting Unit N/A