Anordning ved opphentbar broplugg,申请号NO19970000561-传众专利搜索

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发明名称	Anordning ved opphentbar broplugg
摘要
申请公布号	NO970561(A)	申请公布日期	1998.08.07
申请号	NO19970000561	申请日期	1997.02.06
申请人	BRONNTEKNOLOGIUTVIKLING AS;MARITIME WELL SERVICE AS	发明人	ANDERSEN, FRODE;PEDERSEN, DAG RAVN
分类号	E21B23/01;E21B33/12;E21B33/129;(IPC1-7):E21B33/134	主分类号	E21B23/01
代理机构		代理人
主权项
地址

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