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| Chinese National Standard Category: Machine tool assistive device and accessory |
| English Title: | Machine tools -- Dimensions and geometric tests for self-centering chucks with two-piece jaws -- Part 3: Power-operated chucks with serrated jaws |
| Chinese Title: | 机床 分离爪自定心卡盘尺寸和几何精度检验 第3部分：梳齿配合型动力卡盘 |
| Standard No.: | GB/T 31396.3-2020 |
| Category No.: | J52 |
| Issued by: | SAMR; SAC |
| Issued on: | 2020-04-28 |
| Implemented on: | 2020-11-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 8500 words |
| Similar Standards: |
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