Improvements in or relating to drill bits,申请号AU19960046294-传众专利搜索

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发明名称	Improvements in or relating to drill bits
摘要
申请公布号	AU4629496(A)	申请公布日期	1996.08.27
申请号	AU19960046294	申请日期	1996.02.07
申请人	ASTEC DEVELOPMENTS LIMITED	发明人	NEIL SIMPSON;MICHAEL WARDLEY
分类号	E21B10/60;E21B10/61	主分类号	E21B10/60
代理机构		代理人
主权项
地址

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