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经营范围
发明名称
LEARNING CARD PLAYER
摘要
申请公布号
JPS61182076(A)
申请公布日期
1986.08.14
申请号
JP19850022574
申请日期
1985.02.07
申请人
SONY CORP
发明人
ITO KOSEI
分类号
G09B5/04;G11B5/00;G11B5/027
主分类号
G09B5/04
代理机构
代理人
主权项
地址
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