Home / Standards / GB/T 29465-2023 GB/T 29465-2023 Active Flange of floating heat exchangers 浮头式热交换器用法兰 Standard Type GBT ICS 23.040.60 CCS G91 Status 现行 Issue Date 2023-09-07 Implementation 2023-09-07 Responsible Dept 国家标准委 Drafting Unit N/A