Two zone pumping,申请号US19560631809-传众专利搜索

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发明名称	Two zone pumping
摘要
申请公布号	US2910002(A)	申请公布日期	1959.10.27
申请号	US19560631809	申请日期	1956.12.31
申请人	PHILLIPS PETROLEUM COMPANY	发明人	MORGAN FORREST 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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