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发明名称
Appareil autoéducatif
摘要
申请公布号
FR1237147(A)
申请公布日期
1960.07.29
申请号
FR19597803015
申请日期
1959.04.23
申请人
发明人
BARRALON JACQUES
分类号
G09B3/12
主分类号
G09B3/12
代理机构
代理人
主权项
地址
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