DEVICE FOR LOCATING A BORING MACHINE,申请号US19890406769-传众专利搜索

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发明名称	DEVICE FOR LOCATING A BORING MACHINE
摘要
申请公布号	US5070462(A)	申请公布日期	1991.12.03
申请号	US19890406769	申请日期	1989.09.12
申请人	FLOWMOLE CORPORATION	发明人	CHAU, ALBERT W.
分类号	E21B47/12;G01S1/00;G01V3/10	主分类号	E21B47/12
代理机构		代理人
主权项
地址

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