Home / Standards / GB/T 27698.2-2023 GB/T 27698.2-2023 Active Test methods for the performance of heat exchangers and heat exchange 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 2023-08-06 Implementation 2023-08-06 Responsible Dept 国家标准委 Drafting Unit N/A