Subsea wellhead system,申请号GB19830003795-传众专利搜索

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发明名称	Subsea wellhead system
摘要
申请公布号	GB2114630(A)	申请公布日期	1983.08.24
申请号	GB19830003795	申请日期	1983.02.11
申请人	* SMITH INTERNATIONAL INC	发明人	BENTON F * BAUGH
分类号	E21B33/00;E21B33/043;F16J15/12;(IPC1-7):E21B33/04	主分类号	E21B33/00
代理机构		代理人
主权项
地址

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