Series variable speed drive,申请号US19410418630-传众专利搜索

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发明名称	Series variable speed drive
摘要
申请公布号	US2376770(A)	申请公布日期	1945.05.22
申请号	US19410418630	申请日期	1941.11.11
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	HARDING WILLIAM R.;JR. SCOTT H. HANVILLE,
分类号	H02P7/34	主分类号	H02P7/34
代理机构		代理人
主权项
地址

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