Method and apparatus for continuous exploration of bore holes,申请号US19360112207-传众专利搜索

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发明名称	Method and apparatus for continuous exploration of bore holes
摘要
申请公布号	US2153802(A)	申请公布日期	1939.04.11
申请号	US19360112207	申请日期	1936.11.23
申请人	JAY JAKOSKY JOHN	发明人	JAKOSKY JOHN JAY
分类号	G01V3/20	主分类号	G01V3/20
代理机构		代理人
主权项
地址

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