Home / Standards / GB/T 29734.3-2020 GB/T 29734.3-2020 Active Energy-saving windows and doors for buildings—Part 3: Steel-plastic complex windows and doors 建筑用节能门窗 第3部分:钢塑复合门窗 Standard Type GBT ICS 91.060.50 CCS P32 Status 现行 Issue Date 2020-03-06 Implementation 2021-02-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A