Home / Standards / GB/T 27682-2011 GB/T 27682-2011 Active Copper slag concentrate 铜渣精矿 Standard Type GBT ICS 73.060 CCS D43 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