Drill bit having a replaceable cutting head,申请号KR20017015252-传众专利搜索

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发明名称	Drill bit having a replaceable cutting head
摘要
申请公布号	KR100639527(B1)	申请公布日期	2006.10.30
申请号	KR20017015252	申请日期	2001.11.28
申请人		发明人
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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