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发明名称
Cutting element
摘要
申请公布号
GB2397597(B)
申请公布日期
2006.08.09
申请号
GB20030029066
申请日期
2003.12.16
申请人
SMITH INTERNATIONAL INC
发明人
STEWART MIDDLEMISS
分类号
E21B10/46;C04B35/5831;C22C26/00;E21B10/56;E21B10/567
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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