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发明名称
Dispositif éducatif
摘要
申请公布号
FR1379781(A)
申请公布日期
1964.11.27
申请号
FR19630951063
申请日期
1963.10.18
申请人
HELENA RUBINSTEIN S. A.
发明人
分类号
G09B19/00
主分类号
G09B19/00
代理机构
代理人
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