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经营范围
发明名称
Richtungsbohrkopf mit Ablenkschuh
摘要
申请公布号
DE69529634(T2)
申请公布日期
2003.12.04
申请号
DE19956029634T
申请日期
1995.03.21
申请人
THE CHARLES MACHINE WORKS INC., PERRY
发明人
BROTHERTON, JIMMY L.;LAYNE, ROGER R.;SEWELL, CODY L.
分类号
E21B7/00;E21B7/06;(IPC1-7):E21B7/06
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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