Improved self-centering spade drill,申请号AU19980064557-传众专利搜索

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发明名称	Improved self-centering spade drill
摘要
申请公布号	AU6455798(A)	申请公布日期	1999.09.27
申请号	AU19980064557	申请日期	1998.03.10
申请人	DONALD P. COCHRAN	发明人	DONALD P. COCHRAN
分类号	B23B51/02	主分类号	B23B51/02
代理机构		代理人
主权项
地址

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