Method of extracting broken drills and the like,申请号US19440524650-传众专利搜索

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发明名称	Method of extracting broken drills and the like
摘要
申请公布号	US2429967(A)	申请公布日期	1947.10.28
申请号	US19440524650	申请日期	1944.03.01
申请人	PHILLIPS N. SORENSEN;RICHARD L. GARBER	发明人	SORENSEN PHILLIPS N.
分类号	B25B27/18	主分类号	B25B27/18
代理机构		代理人
主权项
地址

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