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发明名称
Deflector tool
摘要
申请公布号
GB2340519(A)
申请公布日期
2000.02.23
申请号
GB19980016888
申请日期
1998.08.03
申请人
* SMITH INTERNATIONAL INC
发明人
BRUCE HERMANN FORSYTH * MCGARIAN;IAN ALEXANDER * GILLIES
分类号
E21B7/06;E21B7/08;(IPC1-7):E21B7/06;E21B29/06
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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