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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JB/T 13767-2020 |
Weld nondestructive testing Ultrasonic testing of metal sheet laser welded lap joints {译} 焊缝无损检测 金属薄板激光焊搭接接头超声波检测 |
China Machinery Industry
Standards Weld nondestructive testing |
 English PDF |
| SY/T 6858.4-2012 |
Nondestructive testing method for OCTG. Part 4: Ultrasonic inspection for drill pipe weld seams 油井管无损检测方法 第4部分：钻杆焊缝超声波检测 |
China Oil & Gas Industry
Standards Weld nondestructive testing |
English PDF |
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