Home / Standards / GB/T 47189-2026 GB/T 47189-2026 Upcoming Test method of elastic modulus for oil well cement slurry 油井水泥浆体弹性模量试验方法 Standard Type GBT ICS 91.100.10 CCS Q11 Status 即将实施 Issue Date 2026-02-27 Implementation 2026-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A