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发明名称
Reading apparatus for eyesight handicapped person
摘要
申请公布号
EP0542054(B1)
申请公布日期
1999.02.24
申请号
EP19920118520
申请日期
1992.10.29
申请人
CANON KABUSHIKI KAISHA
发明人
SHIMODA, ISAMU
分类号
G06F3/00;G06F3/01;G09B21/00;(IPC1-7):G09B21/00;A61F9/08
主分类号
G06F3/00
代理机构
代理人
主权项
地址
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