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发明名称
Dispositif de jeu éducatif pour acquérir les automatismes de base dans l'étude des langues à déclinaisons et à conjugaisons
摘要
申请公布号
FR939870(A)
申请公布日期
1948.11.26
申请号
FRD939870
申请日期
1947.01.22
申请人
发明人
LEMAIRE PIERRE
分类号
G09B19/06
主分类号
G09B19/06
代理机构
代理人
主权项
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