Inside casing cutter,申请号US19340704894-传众专利搜索

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发明名称	Inside casing cutter
摘要
申请公布号	US1998804(A)	申请公布日期	1935.04.23
申请号	US19340704894	申请日期	1934.01.02
申请人	FLURY WILLIAM J;BRANDEL LEWIS P;FRANK HALFEN	发明人	FLURY WILLIAM J.;BRANDEL LEWIS P.;HALFEN FRANK
分类号	E21B29/00	主分类号	E21B29/00
代理机构		代理人
主权项
地址

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