Curved offshore well conductors,申请号US19860918195-传众专利搜索

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发明名称	Curved offshore well conductors
摘要
申请公布号	USRE32623(E)	申请公布日期	1988.03.15
申请号	US19860918195	申请日期	1986.10.14
申请人		发明人
分类号	E21B7/04;E21B15/04;E21B41/08;E21B43/01	主分类号	E21B7/04
代理机构		代理人
主权项
地址

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