发明名称 SHOE CONSTRUCTION HAVING IMPROVED BACKPART FIT
摘要 A means which functions to improve the fit of shoes is described whereby the shoe is urged forward on the foot to minimize slippage of the backpart of the shoe relative to the heel of the wearer's foot.
申请公布号 WO9101661(A1) 申请公布日期 1991.02.21
申请号 WO1990US04220 申请日期 1990.07.27
申请人 ROSEN, HENRI, E. 发明人 ROSEN, HENRI, E.
分类号 A43B17/00;A43B23/07;A43B23/28 主分类号 A43B17/00
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