Home / Standards / GB/T 38734-2020 GB/T 38734-2020 Active Technical requirements and test methods for household and similar heat pump water heaters with CO2 as refrigerants 以CO2为制冷剂的热泵热水器技术要求和试验方法 Standard Type GBT ICS 97.100.99 CCS Y63 Status 现行 Issue Date 2020-04-28 Implementation 2020-11-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A