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发明名称
A HAND-HELD APPARATUS FOR SEMI-AUTOMATICALLY INSERTING RASTER MEMBERS INTO BRAILLE SIGNS
摘要
申请公布号
PT1494195(E)
申请公布日期
2008.05.16
申请号
PT20030025302T
申请日期
2003.11.03
申请人
ACCENT SIGNAGE SYSTEMS, INC.
发明人
REUVEN RAHAMIM;DAVID BIRCH
分类号
G09B21/00;G09B21/02
主分类号
G09B21/00
代理机构
代理人
主权项
地址
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