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发明名称
VISUALLY HANDICAPPED PERSON GUIDE PATH
摘要
申请公布号
JPH117813(A)
申请公布日期
1999.01.12
申请号
JP19970159357
申请日期
1997.06.17
申请人
MEIDENSHA CORP
发明人
OKADA ZENJI
分类号
F21S9/02;F21S8/02;H02J7/35;(IPC1-7):F21S9/02
主分类号
F21S9/02
代理机构
代理人
主权项
地址
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