Home / Standards / GB/T 28713-2023 GB/T 28713-2023 Active Enhanced heat transfer tubes used in heat exchanger 热交换器用强化传热管 Standard Type GBT ICS 23.040.10 CCS H48 Status 现行 Issue Date 2023-09-07 Implementation 2023-09-07 Responsible Dept 国家标准委 Drafting Unit N/A