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发明名称
摘要
申请公布号
JP2864425(B2)
申请公布日期
1999.03.03
申请号
JP19900054960
申请日期
1990.03.08
申请人
BURAZAA KOGYO KK;KYOIKUSHA KK
发明人
SUGIURA KAZUHIKO;YAMADA KINSAKU
分类号
G09B7/02;(IPC1-7):G09B7/02
主分类号
G09B7/02
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代理人
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