China 'GB/T 42662-2023
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 42662-2023
Non-destructive testing of steel pipes Automatic ultrasonic detection of delamination defects in steel strips/plates for welded steel pipes 钢管无损检测 焊接钢管用钢带/钢板分层缺欠的自动超声检测
Issued Date:2023/8/6
Implemented Date:2024/3/1
Issued by:
The Standardization Administration of the People's Republic of China
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