Home / Standards / GB/T 12960-2019 GB/T 12960-2019 Active Quantitative determination of constituents of cement 水泥组分的定量测定 Standard Type GBT ICS 91.100.10 CCS Q11 Status 现行 Issue Date 2019-10-18 Implementation 2020-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A