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发明名称
DISPOSITIF DE LECTURE POUR NON-VOYANT
摘要
申请公布号
FR2743922(B1)
申请公布日期
1998.04.17
申请号
FR19960000615
申请日期
1996.01.19
申请人
PARIENTI RAOUL
发明人
分类号
G09B21/00;(IPC1-7):G09B21/00
主分类号
G09B21/00
代理机构
代理人
主权项
地址
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