Home / Standards / GB/T 11945-2019 GB/T 11945-2019 Active Autoclaved sand-lime solid brick and solid block 蒸压灰砂实心砖和实心砌块 Standard Type GBT ICS 91.100.30 CCS Q15 Status 现行 Issue Date 2019-10-18 Implementation 2020-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A