Apparatus for maintaining proper depth correlation in well logging apparatus,申请号US19580715381-传众专利搜索

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发明名称	Apparatus for maintaining proper depth correlation in well logging apparatus
摘要
申请公布号	US3001396(A)	申请公布日期	1961.09.26
申请号	US19580715381	申请日期	1958.02.14
申请人	CLEVELAND JAMES L	发明人	CLEVELAND JAMES L.
分类号	E21B47/00;G01V1/38;G01V3/18	主分类号	E21B47/00
代理机构		代理人
主权项
地址

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