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发明名称
BRAILLE DETECTION METHOD
摘要
申请公布号
JPS5617380(A)
申请公布日期
1981.02.19
申请号
JP19790093222
申请日期
1979.07.24
申请人
KOGYO GIJUTSUIN
发明人
FUTAYADA KATSUYUKI;HIRAOKA SEIJI;MORII HIDEJI
分类号
G09B21/00
主分类号
G09B21/00
代理机构
代理人
主权项
地址
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