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发明名称
Drehbohr-Fräsmeissel mit Kalibereinsätzen aus polykristallinem Diamant
摘要
申请公布号
DE69629863(T2)
申请公布日期
2004.07.15
申请号
DE19966029863T
申请日期
1996.03.21
申请人
CAMCO DRILLING GROUP LTD., STONEHOUSE
发明人
MATTHIAS, TERRY R.;HAYWARD, JOHN;LAMB, HAYDN RICHARD
分类号
E21B10/56;E21B10/567;E21B17/10;(IPC1-7):E21B17/10
主分类号
E21B10/56
代理机构
代理人
主权项
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