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经营范围
发明名称
GROUP EDUCATIONAL APPARATUS
摘要
申请公布号
JPS6022178(A)
申请公布日期
1985.02.04
申请号
JP19830130535
申请日期
1983.07.18
申请人
SONY KK
发明人
AZUMI SHINJI
分类号
G09B5/08;G09B5/14;G09B15/00
主分类号
G09B5/08
代理机构
代理人
主权项
地址
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