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发明名称
LEARNING DEVICE
摘要
申请公布号
JPS5470136(A)
申请公布日期
1979.06.05
申请号
JP19770137466
申请日期
1977.11.15
申请人
JAPAN ENGINE VALVE MFG
发明人
TANIZAKI IKUZOU
分类号
G09B7/08;G09B7/06;G11B15/087;G11B27/10
主分类号
G09B7/08
代理机构
代理人
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