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经营范围
发明名称
Walking Guide Apparatus and Method for the Blind
摘要
申请公布号
KR100753912(B1)
申请公布日期
2007.09.03
申请号
KR20060004105
申请日期
2006.01.13
申请人
发明人
分类号
G08B7/06;G08B21/02;G08B25/10
主分类号
G08B7/06
代理机构
代理人
主权项
地址
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