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| International Standard Category: Motors |
GB/T 27744-2021 Specification and energy efficiency grades for line-start permanent magnet synchronous motors(frame size 80～355)
异步起动永磁同步电动机技术条件及能效分级（机座号80~355）;
| Category No.: | 29.160.30 | Valid Status: | valid |
| Issued Organization: | SAMR and SAMR | Issued Date: | 2021-10-11 |
| Implemented Date: | 2022-5-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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