Home / Standards / GB/T 15225-1994 GB/T 15225-1994 Active Graduation of physical performances for building curtain walls 建筑幕墙物理性能分级 Standard Type GBT ICS 91.200 CCS P32 Status 现行 Issue Date 1994-09-24 Implementation 1995-08-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A