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发明名称
STEEL TOOTH DRILL BIT WITH IMPROVED TOOTH BREAKAGE RESISTANCE
摘要
申请公布号
EP2153012(B1)
申请公布日期
2012.08.15
申请号
EP20080755849
申请日期
2008.05.19
申请人
BAKER HUGHES INCORPORATED
发明人
OVERSTREET, JAMES, L.;BUSKE, ROBERT, J.;GILMORE, KENNETH, E.;MORGAN, JEREMY, K.
分类号
C22C29/06;E21B10/50
主分类号
C22C29/06
代理机构
代理人
主权项
地址
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