Well apparatus and methods of running same in a well bore,申请号US19550506785-传众专利搜索

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发明名称	Well apparatus and methods of running same in a well bore
摘要
申请公布号	US2902093(A)	申请公布日期	1959.09.01
申请号	US19550506785	申请日期	1955.05.09
申请人	BROWN CICERO C	发明人	BROWN CICERO C.
分类号	E21B43/14	主分类号	E21B43/14
代理机构		代理人
主权项
地址

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