Home / Standards / GB/T 27698.2 GB/T 27698.2 Active Test method for performance of heat exchangers and heat transfer elements — Part 2: Heat exchangers 热交换器及传热元件性能测试方法 第2部分:热交换器 Standard Type GBT ICS 27.060.30 CCS J75 Status 现行 Issue Date 2024-10-30 Implementation 2023-08-06 Responsible Dept N/A Drafting Unit N/A