NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 7106-2008
Graduations and test methods of air permeability, watertightness, wind load resistance performance for building external windows and doors 建筑外门窗气密、水密、抗风压性能分级及检测方法
Issued Date:2008-07-30
Implemented Date:2009-03-01
Issued by:
The Standardization Administration of the People's Republic of China