Motor speed control,申请号US19540427173-传众专利搜索

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发明名称	Motor speed control
摘要
申请公布号	US2785365(A)	申请公布日期	1957.03.12
申请号	US19540427173	申请日期	1954.05.03
申请人	KEARNEY & TRECKER CORPORATION	发明人	WETZEL THEODORE A.
分类号	G05D3/20;H02P27/04	主分类号	G05D3/20
代理机构		代理人
主权项
地址

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