A DRILL PIPE JOINT,申请号GB19850018104-传众专利搜索

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发明名称	A DRILL PIPE JOINT
摘要
申请公布号	GB2162881(B)	申请公布日期	1987.11.18
申请号	GB19850018104	申请日期	1985.07.18
申请人	TOTAL CIE FSE PETROLES	发明人	DORLEANS ANDRE;FERMAUD GEORGES
分类号	E21B17/046;E21B17/04;E21B17/10;E21B17/18;E21B21/00;E21B41/00;(IPC1-7):E21B21/00;E21B17/00	主分类号	E21B17/046
代理机构		代理人
主权项
地址

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