Hydrostatisk aktivert pakning,申请号NO19970003983-传众专利搜索

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发明名称	Hydrostatisk aktivert pakning
摘要
申请公布号	NO973983(D0)	申请公布日期	1997.08.29
申请号	NO19970003983	申请日期	1997.08.29
申请人	BAKER HUGHES INC	发明人	JORDAN, HENRY J.
分类号	E21B33/1295;(IPC1-7):E21B	主分类号	E21B33/1295
代理机构		代理人
主权项
地址

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