Home / Standards / GB/T 21372-2008 GB/T 21372-2008 Abolished Portland cement clinker 硅酸盐水泥熟料 Standard Type GBT ICS 91.100.10 CCS Q11 Status 废止 Issue Date 2019-10-14 Implementation 2008-08-01 Responsible Dept N/A Drafting Unit N/A