Home / Standards / GB/T 1176-2013 GB/T 1176-2013 Active Casting copper and copper alloys 铸造铜及铜合金 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