Multiple horizon oil production method,申请号US19530360645-传众专利搜索

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发明名称	Multiple horizon oil production method
摘要
申请公布号	US2767792(A)	申请公布日期	1956.10.23
申请号	US19530360645	申请日期	1953.06.10
申请人	RALPH SPEAROW	发明人	SPEAROW RALPH
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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