Tennhode for et borehull-perforeringsapparat,申请号NO19950002236-传众专利搜索

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发明名称	Tennhode for et borehull-perforeringsapparat
摘要
申请公布号	NO309492(B1)	申请公布日期	2001.02.05
申请号	NO19950002236	申请日期	1995.06.06
申请人	SCHLUMBERGER TECHNOLOGY BV	发明人	HUBER, KLAUS B.;SAYERS, THOMAS M.;EDWARDS, A. GLEN;SMITH JR., EDWARD G.
分类号	E21B23/04;E21B43/116;E21B43/1185;(IPC1-7):E21B43/118	主分类号	E21B23/04
代理机构		代理人
主权项
地址

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