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发明名称
Abrasive relief device for the foot
摘要
A bar defining a flat base and a surface having a longitudinal flat center section merging bilaterally into curved sections which extend to the edges of the base, the surface of the bar is divided into an abrasive and a nonabrasive portion.
申请公布号
US4246914(A)
申请公布日期
1981.01.27
申请号
US19790002543
申请日期
1979.01.10
申请人
KEYSER, EARL W.
发明人
KEYSER, EARL W.
分类号
A61B17/32;A61B17/54;(IPC1-7):A45D29/20
主分类号
A61B17/32
代理机构
代理人
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