Home / Standards / GB/T 2938-2008 GB/T 2938-2008 Active Low heat expansive cement 低热微膨胀水泥 Standard Type GBT ICS 91.100.10 CCS Q11 Status 现行 Issue Date 2008-01-09 Implementation 2008-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A