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发明名称
AUDIO ORIENTATION AIDANCE FOR THE BLIND AND PERSONS OF IMPAIRED VISION
摘要
申请公布号
HU0300673(D0)
申请公布日期
2003.05.28
申请号
HU20030000673
申请日期
2003.03.18
申请人
NEMETH LASZLO;SOOS SANDOR;SPITZ GYOERGY
发明人
分类号
G09B21/00
主分类号
G09B21/00
代理机构
代理人
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地址
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