China 'GB/T 19993-2005
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 19993-2005
Thermoplastics piping systems for hot and cold water supply-Test method for the resiance of pipes and fittings mounted assemblies to thermal cycling 冷热水用热塑性塑料管道系统 管材管件组合系统热循环试验方法
Issued Date:2005-11-17
Implemented Date:2006-05-01
Issued by:
The Standardization Administration of the People's Republic of China