Eccentrically weighted drilling apparatus for deviated boreholes,申请号GB19990026254-传众专利搜索

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发明名称	Eccentrically weighted drilling apparatus for deviated boreholes
摘要
申请公布号	GB2343470(A)	申请公布日期	2000.05.10
申请号	GB19990026254	申请日期	1999.11.08
申请人	* ANDERGAUGE LIMITED	发明人	ALAN MARTYN * EDDISON
分类号	E21B7/06;E21B7/24;(IPC1-7):E21B7/06;E21B7/04	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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