Method of determining the presence of oil,申请号US19370181144-传众专利搜索

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发明名称	Method of determining the presence of oil
摘要
申请公布号	US2190320(A)	申请公布日期	1940.02.13
申请号	US19370181144	申请日期	1937.12.22
申请人	GEO-FREQUENTA CORPORATION	发明人	POTAPENKO GENNADY
分类号	G01V3/06	主分类号	G01V3/06
代理机构		代理人
主权项
地址

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