China 'GB/T 27698.5-2011
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 27698.5-2011
Test method for the performance of heat exchangers and heat exchange element - Part 5: Heat transfer tube for tubular heat exchangers 热交换器及传热元件性能测试方法 第5部分:管壳式热交换器用换热管
Issued Date:2011-12-30
Implemented Date:2012-06-01
Issued by:
The Standardization Administration of the People's Republic of China