Home / Standards / GB/T 34909-2018 GB/T 34909-2018 Active Evaluation standard of material-saving for civil building 民用建筑节约材料评价标准 Standard Type GBT ICS 91.100.01 CCS Q01 Status 现行 Issue Date 2018-05-14 Implementation 2019-04-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A