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发明名称
METHOD OF RECEPTION AND TRANSMISSION OF INFORMATION BY BRAILLE'S SYSTEM AND DEVICE FOR ITS IMPLEMENTATION
摘要
申请公布号
RU2025785(C1)
申请公布日期
1994.12.30
申请号
SU19925038163
申请日期
1992.04.20
申请人
GILMUTDINOV ARTUR R
发明人
GILMUTDINOV ARTUR R
分类号
G09B21/04;(IPC1-7):G09B21/04
主分类号
G09B21/04
代理机构
代理人
主权项
地址
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