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发明名称
ENERGY SAVING, HERMETIC SINGLE BRAILLE CHARACTER DISPLAY AND METHOD
摘要
申请公布号
HU1200276(A2)
申请公布日期
2013.11.28
申请号
HU20120000276
申请日期
2012.05.10
申请人
FARKAS GYOERGY GEZA
发明人
FARKAS GYOERGY GEZA
分类号
G09B21/00
主分类号
G09B21/00
代理机构
代理人
主权项
地址
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