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发明名称
摘要
申请公布号
JP3140352(U)
申请公布日期
2008.03.27
申请号
JP20070007196U
申请日期
2007.08.21
申请人
发明人
分类号
G09B1/22;G06C3/00;G09B19/02
主分类号
G09B1/22
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代理人
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