Improvements in or relating to thermionic valve voltmeter and potentiometer circuits and the like,申请号GB19370031682-传众专利搜索

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发明名称	Improvements in or relating to thermionic valve voltmeter and potentiometer circuits and the like
摘要
申请公布号	GB507665(A)	申请公布日期	1939.06.19
申请号	GB19370031682	申请日期	1937.11.18
申请人	CABOT SEATON BULL;ALAN DOWER BLUMLEIN	发明人
分类号	G01R15/14	主分类号	G01R15/14
代理机构		代理人
主权项
地址

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