Home / Standards / GB/T 12957-2005 GB/T 12957-2005 Active Test method for activity of industrial waste slag used as addition to cement 用于水泥混合材的工业废渣活性试验方法 Standard Type GBT ICS 91.100.10 CCS Q12 Status 现行 Issue Date 2005-01-19 Implementation 2005-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A