Home / Standards / GB/T 4131-1997 GB/T 4131-1997 Abolished Nomenclature, definition and terminology of cement 水泥的命名、定义和术语 Standard Type GBT ICS 91.100.10 CCS Q11 Status 废止 Issue Date 1997-07-28 Implementation 1998-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A