Protective arrangements for downhole tools,申请号GB19950003409-传众专利搜索

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发明名称	Protective arrangements for downhole tools
摘要
申请公布号	GB2284439(B)	申请公布日期	1996.06.05
申请号	GB19950003409	申请日期	1993.08.18
申请人	* NODECO LIMITED	发明人	GEORGE * TELFER
分类号	E21B10/26;E21B17/06;E21B27/00;E21B33/13;E21B33/14;E21B43/10;E21B47/01;(IPC1-7):E21B43/10	主分类号	E21B10/26
代理机构		代理人
主权项
地址

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