Nouveau joint en particulier pour raccorder des tubes de forage pétrolier, et procédé de fabrication de ce joint,申请号FR19670100937-传众专利搜索

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发明名称	Nouveau joint en particulier pour raccorder des tubes de forage pétrolier, et procédé de fabrication de ce joint
摘要
申请公布号	FR1524347(A)	申请公布日期	1968.05.10
申请号	FR19670100937	申请日期	1967.03.31
申请人	VALLOUREC	发明人	DURET JEAN
分类号	E21B17/042;F16L15/04;F16L15/06	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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