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发明名称
METHOD AND SYSTEM ENABLING THE BLIND AND THE PARTIALLY SIGHTED TO DIRECT THEMSELVES AND FIND THEIR WAY IN UNKNOWN SURROUNDINGS
摘要
申请公布号
EP1035822(A1)
申请公布日期
2000.09.20
申请号
EP19980956942
申请日期
1998.11.24
申请人
BECKERS, FABIEN
发明人
BECKERS, FABIEN
分类号
A61H3/06;(IPC1-7):A61H3/06
主分类号
A61H3/06
代理机构
代理人
主权项
地址
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