Oscillograph,申请号US19350051598-传众专利搜索

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发明名称	Oscillograph
摘要
申请公布号	US2211325(A)	申请公布日期	1940.08.13
申请号	US19350051598	申请日期	1935.11.26
申请人	RADIO CORPORATION OF AMERICA	发明人	GEORGE ROSCOE H.
分类号	G01R13/32;H01J31/12	主分类号	G01R13/32
代理机构		代理人
主权项
地址

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