SYSTEM FOR MEASURING DOWNHOLE DRILLING FOR CES,申请号EG19800000113-传众专利搜索

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发明名称	SYSTEM FOR MEASURING DOWNHOLE DRILLING FOR CES
摘要
申请公布号	EG13909(A)	申请公布日期	1983.12.31
申请号	EG19800000113	申请日期	1980.02.27
申请人	STANDARD OIL CO	发明人
分类号	E21B7/06;E21B44/00;E21B47/00;E21B47/022;E21B47/04;(IPC1-7):E21B10/00;E21B10/26;E21C41/00	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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