Method and apparatus for making geological explorations,申请号US19390310109-传众专利搜索

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发明名称	Method and apparatus for making geological explorations
摘要
申请公布号	US2294395(A)	申请公布日期	1942.09.01
申请号	US19390310109	申请日期	1939.12.20
申请人	NORDEL CORPORATION	发明人	EVJEN KNUTE H.
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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