Home / Standards / GB/T 34617-2017 GB/T 34617-2017 Active Evaluation method of energy consumption for district heating system 城镇供热系统能耗计算方法 Standard Type GBT ICS 91.140.60 CCS P40 Status 现行 Issue Date 2017-10-14 Implementation 2018-09-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A