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发明名称
GROUP EDUCATION APPARATUS
摘要
申请公布号
JPS6210687(A)
申请公布日期
1987.01.19
申请号
JP19850150620
申请日期
1985.07.09
申请人
SANSOU DENKI KK
发明人
MISE SAKAE
分类号
G09B5/08
主分类号
G09B5/08
代理机构
代理人
主权项
地址
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