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发明名称
FLAT BRAILLE
摘要
申请公布号
JPS57158679(A)
申请公布日期
1982.09.30
申请号
JP19810043633
申请日期
1981.03.25
申请人
IIDA YOSHII
发明人
IIDA SHIGEMI
分类号
G09B21/02;G09B21/00
主分类号
G09B21/02
代理机构
代理人
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