Home / Standards / GB/T 27673-2011 GB/T 27673-2011 Active Copper,lead,zinc and nickel concentrates - Determination of mass loss of bulk material on drying 硫化铜、铅、锌和镍精矿 散装干物料质量损失的测定 Standard Type GBT ICS 77.120.01 CCS D42 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