Home / Standards / GB/T 23483-2009 GB/T 23483-2009 Active Test standard for overall heat transfer coefficient of building envelope and heat supply for space heating 建筑物围护结构传热系数及采暖供热量检测方法 Standard Type GBT ICS 91.060.01 CCS Q70 Status 现行 Issue Date 2009-04-13 Implementation 2009-12-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A