Fremgangsmåde og apparatur til at forsegle en boring med en ledning derigennem,申请号DK20070252233T-传众专利搜索

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发明名称	Fremgangsmåde og apparatur til at forsegle en boring med en ledning derigennem
摘要
申请公布号	DK1865145(T3)	申请公布日期	2011.11.28
申请号	DK20070252233T	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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