GB/T 28638-2012
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 28638-2012
Heat loss test for thermal insulation structure and evaluation methods for thermal insulation efficiency of district heating pipes 城镇供热管道保温结构散热损失测试与保温效果评定方法
Issued Date:2012-07-31
Implemented Date:2013-02-01
Issued by:
The Standardization Administration of the People's Republic of China