Expandable retrievable bridge plug,申请号AU19960069476-传众专利搜索

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发明名称	Expandable retrievable bridge plug
摘要
申请公布号	AU712074(B2)	申请公布日期	1999.10.28
申请号	AU19960069476	申请日期	1996.08.15
申请人	BRONNTEKNOLOGIUTVIKLING A/S;MARITIME WELL SERVICE A/S	发明人	ESPEN HIORTH;FRODE ANDERSEN;DAG RAVN PEDERSEN
分类号	E21B33/12;E21B33/129;(IPC1-7):E21B33/128	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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