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经营范围
发明名称
Multiple inserts of different geometry in a single row of a bit
摘要
申请公布号
GB0513765(D0)
申请公布日期
2005.08.10
申请号
GB20050013765
申请日期
2005.07.05
申请人
SMITH INTERNATIONAL, INC.
发明人
分类号
E21B10/08;E21B10/16;E21B41/00
主分类号
E21B10/08
代理机构
代理人
主权项
地址
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