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发明名称
BRAILLE PLATE
摘要
申请公布号
JPS5742072(A)
申请公布日期
1982.03.09
申请号
JP19800118829
申请日期
1980.08.28
申请人
OKADA CHIYOUZOU
发明人
OKADA CHIYOUZOU
分类号
G09B21/02;G09B21/00
主分类号
G09B21/02
代理机构
代理人
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地址
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