Drill apparatus of hole drilling machine,申请号KR20050075832-传众专利搜索

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发明名称	Drill apparatus of hole drilling machine
摘要
申请公布号	KR100564209(B1)	申请公布日期	2006.03.30
申请号	KR20050075832	申请日期	2005.08.18
申请人		发明人
分类号	E21B10/36	主分类号	E21B10/36
代理机构		代理人
主权项
地址

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