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发明名称
DRILLING APPARATUS WITH SHUTTER
摘要
申请公布号
EP2547866(A1)
申请公布日期
2013.01.23
申请号
EP20100848095
申请日期
2010.03.15
申请人
VERMEER MANUFACTURING COMPANY
发明人
HOELTING, KEITH, ALLEN;SALINS, ANDIS;HARRISON, STUART
分类号
E21D9/08
主分类号
E21D9/08
代理机构
代理人
主权项
地址
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