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经营范围
发明名称
Expandable reaming tool
摘要
申请公布号
EP1283324(B1)
申请公布日期
2007.03.14
申请号
EP20020102104
申请日期
2002.08.07
申请人
SMITH INTERNATIONAL, INC.
发明人
HOFFMASTER, CARL M.;TRUAX, DAVID K.;BEATON, TIMOTHY P.
分类号
E21B10/32;E21B10/54;E21B10/55
主分类号
E21B10/32
代理机构
代理人
主权项
地址
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