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| Chinese National Standard Category: Machine tool assistive device and accessory |
| English Title: | Sintered-steel nut and gear ring for drill chuck — Specifications |
| Chinese Title: | 钻夹头用烧结钢螺母和齿圈 技术条件 |
| Standard No.: | JB/T 10149-2011 |
| Category No.: | J52 |
| Issued by: | MIIT |
| Issued on: | 2011-5-18 |
| Implemented on: | 2011-8-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | JB/T 10149-1999 Sintered steel nuts and gear rings intended to be used in drill chuck Technical conditions |
| Word Count: | 3000 words |
| Similar Standards: |
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