Home / Standards / GB/T 47402-2026 GB/T 47402-2026 Upcoming Refrigerating systems and heat pumps—Competence of personnel 制冷系统和热泵 人员能力 Standard Type GBT ICS 27.200 CCS J 73 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A