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发明名称
Matériel pédagogique, ludique ou publicitaire, pour le contrôle automatique du savoir relatif à des connaissances constituées par des identités ou des associationsdiverses
摘要
申请公布号
FR1038662(A)
申请公布日期
1953.09.30
申请号
FRD1038662
申请日期
1951.03.30
申请人
发明人
MARSOL LUCIEN-JOSEPH-EMILE
分类号
A63F9/18
主分类号
A63F9/18
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代理人
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