Home / Standards / GB/T 31545-2015 GB/T 31545-2015 Active Portland cement for Nuclear power engineering 核电工程用硅酸盐水泥 Standard Type GBT ICS 91.100.10 CCS Q11 Status 现行 Issue Date 2015-05-15 Implementation 2016-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A