Home / Standards / GB/T 27698.3 GB/T 27698.3 Active Test method for performance of heat exchangers and heat transfer elements—Part 3: Heat transfer elements 热交换器及传热元件性能测试方法 第3部分:传热元件 Standard Type GBT ICS 27.060.30 CCS J75 Status 现行 Issue Date 2024-10-30 Implementation 2023-09-07 Responsible Dept N/A Drafting Unit N/A