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经营范围
发明名称
Casing brush assembly
摘要
申请公布号
GB2411919(A)
申请公布日期
2005.09.14
申请号
GB20050004967
申请日期
2005.03.10
申请人
* SMITH INTERNATIONAL, INC.
发明人
RORY MCCRAE * TULLOCH;BRUCE * MCGARIAN
分类号
B08B9/02;E21B;E21B37/00;E21B37/02;E21B37/08;(IPC1-7):E21B37/02
主分类号
B08B9/02
代理机构
代理人
主权项
地址
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