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发明名称
INDICATION GUIDE SYSTEM OF SHELTERING ROUTE FOR PEDESTRIANS
摘要
申请公布号
JPS57139892(A)
申请公布日期
1982.08.30
申请号
JP19810026421
申请日期
1981.02.25
申请人
SUMITOMO DENKI KOGYO KK
发明人
KANEZAKI MINORU
分类号
A62B3/00;A62B99/00;G08B5/00;G08B5/22
主分类号
A62B3/00
代理机构
代理人
主权项
地址
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