Oscillograph,申请号US19410399549-传众专利搜索

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发明名称	Oscillograph
摘要
申请公布号	US2279124(A)	申请公布日期	1942.04.07
申请号	US19410399549	申请日期	1941.06.24
申请人	OLIVE S. PETTY	发明人	MAYNE WILLIAM H.
分类号	G01R13/04	主分类号	G01R13/04
代理机构		代理人
主权项
地址

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