Subsea wellhead assembly,申请号GB20040027059-传众专利搜索

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发明名称	Subsea wellhead assembly
摘要
申请公布号	GB0427059(D0)	申请公布日期	2005.01.12
申请号	GB20040027059	申请日期	2004.12.10
申请人	VETCO GRAY INC	发明人
分类号	E21B33/038;E21B33/047	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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