Home / Standards / GB/T 28712.4-2023 GB/T 28712.4-2023 Active Types and basic parameters of heat exchangers—Part 4: Thermo-siphon reboilers 热交换器型式与基本参数 第4部分:热虹吸式重沸器 Standard Type GBT ICS 71.120.30 CCS J75 Status 现行 Issue Date 2023-08-06 Implementation 2023-12-01 Responsible Dept 国家标准委 Drafting Unit N/A