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| Chinese National Standard Category: Chain drive, belt drive and key joint |
| English Title: | Synchronous belt drives—Belts with T trapezoidal profile system |
| Chinese Title: | 同步带传动 T型梯形齿同步带 |
| Standard No.: | GB/T 28774-2021 |
| Category No.: | J18 |
| Issued by: | SAMR; SAC |
| Issued on: | 2021-05-21 |
| Implemented on: | 2021-12-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 28774-2012 Synchronous belt drives - Metric pitch - Trapezoidal toothed synchronous belts |
| Word Count: | 7500 words |
| Similar Standards: |
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