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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 42252-2022 |
Torque and pretightening force test method of high lock nut for aviation {译} 航空用高锁螺母力矩及预紧力测试方法 |
China National Standards Test method tightening |
 English PDF |
| GB/T 42181-2022 |
Test method for tightening torque of threaded blind rivets used in aviation {译} 航空用螺纹抽芯铆钉锁紧力矩测试方法 |
China National Standards Test method tightening |
English PDF |
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