Home / Standards / GB/T 9237-2017 GB/T 9237-2017 Active Refrigerating systems and heat pumps—Safety and environmental requirements 制冷系统及热泵 安全与环境要求 Standard Type GBT ICS 27.200 CCS J73 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A