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经营范围
发明名称
DRILL CHUCK
摘要
申请公布号
EP1885990(A2)
申请公布日期
2008.02.13
申请号
EP20060735270
申请日期
2006.02.16
申请人
BLACK & DECKER INC.
发明人
GEHRET, ROBERT S.;HEAVEL, RICHARD J.
分类号
E21B17/22
主分类号
E21B17/22
代理机构
代理人
主权项
地址
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