Electrical apparatus for measuring the rate of change of an input voltage,申请号US19460686479-传众专利搜索

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发明名称	Electrical apparatus for measuring the rate of change of an input voltage
摘要
申请公布号	US2564829(A)	申请公布日期	1951.08.21
申请号	US19460686479	申请日期	1946.07.26
申请人	A. C. COSSOR LIMITED	发明人	BEDFORD LESLIE HERBERT;BELL JOHN;LANGHAM ERIC MILES
分类号	G01R1/30	主分类号	G01R1/30
代理机构		代理人
主权项
地址

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