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经营范围
发明名称
Stagger cut teeth
摘要
The flutes of a drill bit (1) are constituted by helical portions (4) and rectilinear portions (5).
申请公布号
US5876202(A)
申请公布日期
1999.03.02
申请号
US19980079128
申请日期
1998.05.14
申请人
ROUILLER, JEAN-CLAUDE
发明人
BERLIN, PIERRE
分类号
A61C5/02;A61B17/56;A61C3/02;B23B51/02;(IPC1-7):A61K5/02
主分类号
A61C5/02
代理机构
代理人
主权项
地址
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