Electrical measuring instrument,申请号US19490129486-传众专利搜索

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发明名称	Electrical measuring instrument
摘要
申请公布号	US2602838(A)	申请公布日期	1952.07.08
申请号	US19490129486	申请日期	1949.11.25
申请人	PHILLIPS PETROLEUM COMPANY	发明人	BOISBLANC DESLONDE R. DE;JR. ROSS S. MARSDEN,
分类号	G01R27/26	主分类号	G01R27/26
代理机构		代理人
主权项
地址

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