China 'GB/T 37910.1-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 37910.1-2019
Non-destructive testing of welds—Acceptance levels for radiographic testing—Part 1:Steel,nickel,titanium and their alloys 焊缝无损检测 射线检测验收等级 第1部分:钢、镍、钛及其合金
Issued Date:2019
Implemented Date:
Issued by:
The Standardization Administration of the People's Republic of China