Phase responsive motor speed control system,申请号US19590809017-传众专利搜索

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发明名称	Phase responsive motor speed control system
摘要
申请公布号	US3174090(A)	申请公布日期	1965.03.16
申请号	US19590809017	申请日期	1959.04.27
申请人	RADIO CORPORATION OF AMERICA	发明人	HALL JAMES R.
分类号	G11B15/46;H02P5/52;H04N5/782	主分类号	G11B15/46
代理机构		代理人
主权项
地址

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