Adjustable speed drive for d. c. electric motors,申请号US19560626443-传众专利搜索

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发明名称	Adjustable speed drive for d. c. electric motors
摘要
申请公布号	US2864989(A)	申请公布日期	1958.12.16
申请号	US19560626443	申请日期	1956.12.05
申请人	THE LOUIS ALLIS CO.	发明人	JR. WILLIAM J. BRADBURN,;HANSEN HANS RICHARD ANSGAR
分类号	H02P7/30	主分类号	H02P7/30
代理机构		代理人
主权项
地址

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