Method and apparatus for sealing a bore with a line therethrough,申请号EP20070252233-传众专利搜索

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发明名称	Method and apparatus for sealing a bore with a line therethrough
摘要
申请公布号	EP1865145(B9)	申请公布日期	2012.03.14
申请号	EP20070252233	申请日期	2007.06.01
申请人	NATIONAL OILWELL VARCO UK LIMITED	发明人	WOOD, CARL
分类号	E21B33/072;E21B33/06	主分类号	E21B33/072
代理机构		代理人
主权项
地址

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