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发明名称
Device for spoken commentaries (linguistic explanations), in particular for blind persons
摘要
申请公布号
AT407446(B)
申请公布日期
2001.03.26
申请号
AT19980001532
申请日期
1998.09.10
申请人
HIDEG KORNEL
发明人
分类号
G09B5/04;(IPC1-7):G09B5/04
主分类号
G09B5/04
代理机构
代理人
主权项
地址
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