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| Chinese National Standard Category: Fasteners |
| English Title: | MJ thread spline-drive self-locking nuts for aerospace |
| Chinese Title: | 航空航天用MJ螺纹十二角花键自锁螺母 |
| Standard No.: | GB/T 42179-2022 |
| Category No.: | V20 |
| Issued by: | SAMR; SAC |
| Issued on: | 2022-12-30 |
| Implemented on: | 2023-4-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 3000 words |
| Similar Standards: |
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