Motor control system,申请号US19280306821-传众专利搜索

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发明名称	Motor control system
摘要
申请公布号	US1867373(A)	申请公布日期	1932.07.12
申请号	US19280306821	申请日期	1928.09.19
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	MORTON EDMUND R.
分类号		主分类号
代理机构		代理人
主权项
地址

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