Steerable drill bit arrangement,申请号GB20050009347-传众专利搜索

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发明名称	Steerable drill bit arrangement
摘要
申请公布号	GB0509347(D0)	申请公布日期	2005.06.15
申请号	GB20050009347	申请日期	2003.11.10
申请人	SMART STABILIZER SYSTEMS LIMITED	发明人
分类号	E21B7/06;E21B17/10	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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