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International Standard Category: Motors

MT/T 249-1997    Flameproof mining type double speed three-phase induction motors
矿用隔爆型双速三相异步电动机 ;
Category No.:29.160.30 Valid Status:superseded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Superseded Standard.:MT/T 249-2019 YBSD series flameproof mining type double speed three-phases asynchronous motor
Superseded Date:2019-7-1
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