Home / Standards / GB/T 27941-2011 GB/T 27941-2011 Active Code of design and installation for multi-split air conditioning (heat pump)system 多联式空调(热泵)机组应用设计与安装要求 Standard Type GBT ICS 27.200 CCS J73 Status 现行 Issue Date 2011-12-30 Implementation 2012-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A