Well logging apparatus,申请号US19420434124-传众专利搜索

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发明名称	Well logging apparatus
摘要
申请公布号	US2404622(A)	申请公布日期	1946.07.23
申请号	US19420434124	申请日期	1942.03.10
申请人	PHILLIPS PETROLEUM COMPANY	发明人	DOAN RICHARD L.
分类号	G01V3/22;G01V3/34	主分类号	G01V3/22
代理机构		代理人
主权项
地址

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