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经营范围
发明名称
A retention shroud for an extended nozzle
摘要
申请公布号
GB2294073(A)
申请公布日期
1996.04.17
申请号
GB19950020196
申请日期
1995.10.03
申请人
* SMITH INTERNATIONAL INC
发明人
JAMES L * LARSEN;MICHAEL A * SIRACKI;THOMAS W * OLDHAM;MADAPUSI K * KESHAVAN
分类号
E21B10/18;E21B10/60;E21B10/61;E21B10/62;(IPC1-7):E21B10/18
主分类号
E21B10/18
代理机构
代理人
主权项
地址
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