IMPROVED DRILL BIT SHARPENER,申请号AU19890045598-传众专利搜索

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发明名称	IMPROVED DRILL BIT SHARPENER
摘要
申请公布号	AU620945(B2)	申请公布日期	1992.02.27
申请号	AU19890045598	申请日期	1989.11.28
申请人	DAVID N. LOCKWOOD	发明人	DAVID N. LOCKWOOD
分类号	B24B3/28;(IPC1-7):B24B3/28	主分类号	B24B3/28
代理机构		代理人
主权项
地址

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