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International Standard Category: Motors |
Category No.: | 29.160.30 | Valid Status: | superseded |
Issued Organization: | Ministry of Coal Industry | Issued Date: | 1997-12-30 |
Implemented Date: | 1998-6-1 | Abolished Date: | |
Superseded Standard.: | MT/T 249-2019 YBSD series flameproof mining type double speed three-phases asynchronous motor |
Superseded Date: | 2019-7-1 |
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