Home / Standards / GB/T 27681-2011 GB/T 27681-2011 Active Specification on zero emissions and recycling of cooling water during melting and casting for copper and copper alloy 铜及铜合金熔铸冷却水零排放和循环利用规范 Standard Type GBT ICS 77.120.30 CCS H62 Status 现行 Issue Date 2011-12-30 Implementation 2012-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A