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| Chinese National Standard Category: Machine tool assistive device and accessory |
| English Title: | Machine tools―Dimensions and geometric tests for self-centring chucks with two-piece jaws―Part 2:Power-operated chucks with tongue and groove type jaws |
| Chinese Title: | 机床 分离爪自定心卡盘尺寸和几何精度检验 第2部分：键、槽配合型动力卡盘 |
| Standard No.: | GB/T 31396.2-2015 |
| Category No.: | J52 |
| Issued by: | AQSIQ; SAC |
| Issued on: | 2015-05-15 |
| Implemented on: | 2015-9-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 7500 words |
| Similar Standards: |
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