Alternating current motor control system,申请号US19330663364-传众专利搜索

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发明名称	Alternating current motor control system
摘要
申请公布号	US2078673(A)	申请公布日期	1937.04.27
申请号	US19330663364	申请日期	1933.03.29
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	KOVALSKY JOSEPH F.
分类号	H02P1/46	主分类号	H02P1/46
代理机构		代理人
主权项
地址

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