Home / Standards / GB 21350-2013 GB 21350-2013 Abolished The norm of energy consumption per unit products of copper and copper-alloy tube 铜及铜合金管材单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F01 Status 废止 Issue Date 2013-09-18 Implementation 2014-08-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A