While drilling system and method,申请号GB20050001123-传众专利搜索

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发明名称	While drilling system and method
摘要
申请公布号	GB2410513(A)	申请公布日期	2005.08.03
申请号	GB20050001123	申请日期	2005.01.20
申请人	* SCHLUMBERGER HOLDINGS LIMITED	发明人	JAMES C * MAYES;MARIO A * ARAYA;RICHARD EDWARD * THORP
分类号	E21B47/01;E21B47/06;E21B47/12;(IPC1-7):E21B47/01	主分类号	E21B47/01
代理机构		代理人
主权项
地址

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