Home / Standards / GB/T 10238-2015 GB/T 10238-2015 Active Oil well cement 油井水泥 Standard Type GBT ICS 91.100.10 CCS Q11 Status 现行 Issue Date 2015-09-11 Implementation 2016-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A