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刘国海

Patents

新型低振噪容错式永磁磁通切换电机

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Type of Patent:实用新型

State of Patent:已失效

Authorization number:201620060777.1

Service Invention or Not:no

Application Date:2016-01-21

Authorization Date:2016-08-24

Application Date:2016-01-21

Authorization Date:2016-08-24