CURVED OFFSHORE WELL CONDUCTORS,申请号US19730326706-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	USRE28860(F1)	申请公布日期	1985.09.03
申请号	US19730326706	申请日期	1973.01.26
申请人		发明人
分类号	E21B7/04;E21B15/04;E21B43/01;(IPC1-7):E21B7/04;E21B7/136;E21B17/00	主分类号	E21B7/04
代理机构		代理人
主权项
地址

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