Switch control system for electric motor,申请号US19570670061-传众专利搜索

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发明名称	Switch control system for electric motor
摘要
申请公布号	US2991404(A)	申请公布日期	1961.07.04
申请号	US19570670061	申请日期	1957.07.05
申请人	DONALD G. GRISWOLD	发明人	GRISWOLD DAVID E.
分类号	H01H43/16	主分类号	H01H43/16
代理机构		代理人
主权项
地址

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