China 'GB/T 18329.4-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18329.4-2021
Plain bearings—Metallic multilayer plain bearings—Part 4:Non-destructive ultrasonic transmission testing of bond of thickness greater than or equal to 0.3 mm 滑动轴承 多层金属滑动轴承 第4部分: 合金厚度≥0.3mm的结合质量超声穿透无损检测
Issued Date:2021/3/9
Implemented Date:2021/10/1
Issued by:
The Standardization Administration of the People's Republic of China
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