Polyphase supply circuit and frequency meter,申请号US19480058566-传众专利搜索

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发明名称	Polyphase supply circuit and frequency meter
摘要
申请公布号	US2604520(A)	申请公布日期	1952.07.22
申请号	US19480058566	申请日期	1948.11.05
申请人	KOLLSMAN INSTRUMENT CORPORATION	发明人	JR. JOHN H. ANDRESEN,;KASNER EDWARD
分类号	G01R23/02	主分类号	G01R23/02
代理机构		代理人
主权项
地址

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