VERRIEGELUNGSVORRICHTUNG FÜR HERGESTELLTE ROHRVERBINDUNGEN,申请号DE200460009812T-传众专利搜索

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发明名称	VERRIEGELUNGSVORRICHTUNG FÜR HERGESTELLTE ROHRVERBINDUNGEN
摘要
申请公布号	DE602004009812(T2)	申请公布日期	2008.08.21
申请号	DE200460009812T	申请日期	2004.09.17
申请人	NATIONAL OILWELL NORWAY A/S	发明人	AAS, BRYNJULV
分类号	E21B17/043;F16L15/08	主分类号	E21B17/043
代理机构		代理人
主权项
地址

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