Deep perforation of subsurface formations,申请号US19530398053-传众专利搜索

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发明名称	Deep perforation of subsurface formations
摘要
申请公布号	US2843041(A)	申请公布日期	1958.07.15
申请号	US19530398053	申请日期	1953.12.14
申请人	ESSO RESEARCH AND ENGINEERING COMPANY	发明人	STEWART DOUGLASS M.
分类号	E21B43/116	主分类号	E21B43/116
代理机构		代理人
主权项
地址

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