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| Chinese National Standard Category: Machine tool assistive device and accessory |
| English Title: | Collets for tool holders with taper ratio 1:10―Collets,holders,nuts |
| Chinese Title: | 工具柄用1:10锥柄的弹簧夹头 弹簧夹头，锥柄座，螺母 |
| Standard No.: | GB/T 31559-2015 |
| Category No.: | J52 |
| Issued by: | AQSIQ; SAC |
| Issued on: | 2015-05-15 |
| Implemented on: | 2016-1-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 7500 words |
| Similar Standards: |
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