Wellbore system with annular seal member,申请号AU20020331271-传众专利搜索

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发明名称	Wellbore system with annular seal member
摘要
申请公布号	AU2002331271(B2)	申请公布日期	2007.05.31
申请号	AU20020331271	申请日期	2002.07.18
申请人	SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.	发明人	ERIK, KERST CORNELISSEN;MARTIN, GERARD, RENE BOSMA
分类号	E21B33/12;E21B33/124;E21B43/10	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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