Home / Standards / GB/T 28636-2012 GB/T 28636-2012 Active Heating and air conditioning system hydraulic balance valve 采暖与空调系统水力平衡阀 Standard Type GBT ICS 91.140.01 CCS P46 Status 现行 Issue Date 2012-07-31 Implementation 2013-02-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A