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| International Standard Category: Other non-ferrous metals and their alloys |
GB/T 39494-2020 Determination for coating adhesion of rare earth permanent magnetic materials for drive motor of new energy vehicle
新能源汽车驱动电机用稀土永磁材料表面涂镀层结合力的测定 ;
| Category No.: | 77.120.99 | Valid Status: | valid |
| Issued Organization: | SAMR and SAMR | Issued Date: | 2020-11-19 |
| Implemented Date: | 2021-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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