Method of working over wells,申请号US19540431450-传众专利搜索

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发明名称	Method of working over wells
摘要
申请公布号	US2751009(A)	申请公布日期	1956.06.19
申请号	US19540431450	申请日期	1954.05.21
申请人	ESSO RESEARCH AND ENGINEERING COMPANY	发明人	JR. LEMUEL D. WOODDY,
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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