Vacuum tube voltmeter with balanced input shunt diode,申请号US19470773996-传众专利搜索

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发明名称	Vacuum tube voltmeter with balanced input shunt diode
摘要
申请公布号	US2501769(A)	申请公布日期	1950.03.28
申请号	US19470773996	申请日期	1947.09.15
申请人	CLIPPARD INSTRUMENT LABORATORIES, INC.	发明人	FROMMER JOSEPH C.
分类号	G01R19/22	主分类号	G01R19/22
代理机构		代理人
主权项
地址

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