Downhole drilling apparatus and method for use of same,申请号GB20010007222-传众专利搜索

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发明名称	Downhole drilling apparatus and method for use of same
摘要
申请公布号	GB2373520(B)	申请公布日期	2004.11.24
申请号	GB20010007222	申请日期	2001.03.22
申请人	* HALLIBURTON ENERGY SERVICES, INC.	发明人	JOHN * HANTON;TOMMIE A. * FREEMAN;WILLIAM M * IMWALLE
分类号	E21B7/06;E21B7/08;E21B17/00;(IPC1-7):E21B7/06	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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