Dual diameter and rotating centralizer/sub,申请号GB20060003123-传众专利搜索

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发明名称	Dual diameter and rotating centralizer/sub
摘要
申请公布号	GB2421261(A)	申请公布日期	2006.06.21
申请号	GB20060003123	申请日期	2003.11.21
申请人	CASETECH INTERNATIONAL, INC.	发明人	MAXIMILLIAN S GREMILLION
分类号	E21B17/10	主分类号	E21B17/10
代理机构		代理人
主权项
地址

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