Hydraulically-actuated well packers,申请号US19610113943-传众专利搜索

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发明名称	Hydraulically-actuated well packers
摘要
申请公布号	US3191682(A)	申请公布日期	1965.06.29
申请号	US19610113943	申请日期	1961.05.31
申请人	CICERO C. BROWN	发明人	COCHRAN CHUDLEIGH B.
分类号	E21B33/122	主分类号	E21B33/122
代理机构		代理人
主权项
地址

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