Subsea wellbore drilling system for reducing bottom hole pressure,申请号GB20010001430-传众专利搜索

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发明名称	Subsea wellbore drilling system for reducing bottom hole pressure
摘要
申请公布号	GB0101430(D0)	申请公布日期	2001.03.07
申请号	GB20010001430	申请日期	1999.07.15
申请人	DEEP VISION LLC	发明人
分类号	B63B21/50;E21B7/00;E21B7/12;E21B7/128;E21B7/28;E21B17/20;E21B19/00;E21B19/09;E21B19/22;E21B21/00;E21B21/08;E21B33/076;E21B43/12	主分类号	B63B21/50
代理机构		代理人
主权项
地址

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