China 'GB/T 12605-2008
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12605-2008
Non-destructive testing - Test methods for radiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes 无损检测 金属管道熔化焊环向对接接头射线照相检测方法
Issued Date:2008-05-13
Implemented Date:2008-11-01
Issued by:
The Standardization Administration of the People's Republic of China