发明名称 PAGE FIXING DEVICE FOR READING
摘要 This invention relates to a page fixing device for reading (a friend in reading) used for fixing open pages which is made of various plastics, metal sheets or iron material, inserted between both pages of an open book and prevents the open pages from being closed by flexibility of their own. This fixing device consists of a lower plane (2) which is divided into the right and left portions by a spacing defined at the center and an upper plane (1) which is a flat plane connected at its part to the lower plane, and the device is U-shaped or square U-shaped when viewed from the side.
申请公布号 WO8807451(A1) 申请公布日期 1988.10.06
申请号 WO1988JP00018 申请日期 1988.01.09
申请人 IWAHARA KINICHI 发明人 IWAHARA, KIN, ICHI
分类号 B42D9/00;(IPC1-7):B42D9/00 主分类号 B42D9/00
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