Home / Standards / GB/T 25181-2019 GB/T 25181-2019 Active Ready-mixed mortar 预拌砂浆 Standard Type GBT ICS 91.100.10 CCS P20 Status 现行 Issue Date 2019-08-30 Implementation 2020-07-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A