Electromechanical device of the induction type,申请号US19280321065-传众专利搜索

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发明名称	Electromechanical device of the induction type
摘要
申请公布号	US1748944(A)	申请公布日期	1930.03.04
申请号	US19280321065	申请日期	1928.11.22
申请人	THE UNION SWITCH & SIGNAL COMPANY	发明人	CHALLANS ERIC WILLIAM
分类号	H01H53/10	主分类号	H01H53/10
代理机构		代理人
主权项
地址

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