Multi hammer having wing bit for excavation,申请号KR20050069687-传众专利搜索

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发明名称	Multi hammer having wing bit for excavation
摘要
申请公布号	KR100683259(B1)	申请公布日期	2007.02.15
申请号	KR20050069687	申请日期	2005.07.29
申请人		发明人
分类号	E21B1/38	主分类号	E21B1/38
代理机构		代理人
主权项
地址

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