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发明名称	Forbindelse med koniske gjenger
摘要
申请公布号	NO20025872(A)	申请公布日期	2003.01.29
申请号	NO20020005872	申请日期	2002.12.06
申请人	VALLOUREC MANNESMANN OIL & GAS FRANCE	发明人	MAEDA, JUN;NAGASAKU, SHIGEO;SUMITANI, KATSUTOSHI
分类号	E21B17/042;F16L15/06;(IPC1-7):F16L	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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