发明名称 DEVICE FOR GRINDING INDUSTRIAL DESK DRILL
摘要 PURPOSE: A device for grinding an industrial desk drill is provided to improve machining quality and precisely drill a hole in a workpiece. CONSTITUTION: A device for grinding an industrial desk drill is composed of a grinding stone, a driving motor for rotating the grinding stone, an upper body to which the drill is mounted, and a lower guide.
申请公布号 KR20040047501(A) 申请公布日期 2004.06.05
申请号 KR20020079376 申请日期 2002.11.29
申请人 LEE, SANG DUK 发明人 LEE, SANG DUK
分类号 B24B3/24;(IPC1-7):B24B3/24 主分类号 B24B3/24
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