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发明名称
DIRECTION GUIDE SYSTEM FOR BLIND PERSON
摘要
申请公布号
KR101197693(B1)
申请公布日期
2012.11.05
申请号
KR20100058467
申请日期
2010.06.21
申请人
发明人
分类号
G08G1/005;G06K17/00
主分类号
G08G1/005
代理机构
代理人
主权项
地址
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