发明名称 Magnifying reading device.
摘要 <p>Reading device comprising a rectangular plate of transparent material, destined to be positioned with his lower surface onto an information carrier, for instance the page of a book, and comprising a number of rectangular strokes (3) above the text lines (1) onto the information carrier, which strokes are shaped as cylinder segments.</p>
申请公布号 EP0107256(A1) 申请公布日期 1984.05.02
申请号 EP19830201498 申请日期 1983.10.18
申请人 VAN OMMEREN, JAN 发明人 VAN OMMEREN, JAN
分类号 G02B27/02;(IPC1-7):02B25/00 主分类号 G02B27/02
代理机构 代理人
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