Excavating apparatus having suction functions,申请号KR20090108084-传众专利搜索

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发明名称	Excavating apparatus having suction functions
摘要
申请公布号	KR101110813(B1)	申请公布日期	2012.02.16
申请号	KR20090108084	申请日期	2009.11.10
申请人		发明人
分类号	E21B7/00;E21B7/02	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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