Offshore drilling apparatus,申请号GB19940017429-传众专利搜索

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发明名称	Offshore drilling apparatus
摘要
申请公布号	GB2281578(A)	申请公布日期	1995.03.08
申请号	GB19940017429	申请日期	1994.08.30
申请人	* DRIL-QUIP, INC	发明人	BRUCE JAMES * WATKINS
分类号	E21B19/00;(IPC1-7):E21B17/01	主分类号	E21B19/00
代理机构		代理人
主权项
地址

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