Large caliber boring machine having dual-hamer,申请号KR20050012258U-传众专利搜索

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发明名称	Large caliber boring machine having dual-hamer
摘要
申请公布号	KR200390736(Y1)	申请公布日期	2005.07.25
申请号	KR20050012258U	申请日期	2005.05.02
申请人		发明人
分类号	E21B10/36;(IPC1-7):E21B10/36	主分类号	E21B10/36
代理机构		代理人
主权项
地址

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