Apparatus for frequency multiplication of alternating electric currents,申请号US19450591524-传众专利搜索

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发明名称	Apparatus for frequency multiplication of alternating electric currents
摘要
申请公布号	US2420213(A)	申请公布日期	1947.05.06
申请号	US19450591524	申请日期	1945.05.02
申请人	THE UNION SWITCH AND SIGNAL COMPANY	发明人	WALKER ALEC HERVEY BENNETT
分类号	H01F38/04	主分类号	H01F38/04
代理机构		代理人
主权项
地址

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