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发明名称
DISPOSITIF ELECTRONIQUE POUR DETECTER LES PETITES SURFACES CONDUCTRICES, ENSEMBLE NOTAMMENT PEDAGOGIQUE OU LUDIQUE POUR TESTER DES CONNAISSANCES COMPRENANT UN TEL DISPOSITIF.
摘要
申请公布号
FR2578328(B1)
申请公布日期
1987.03.06
申请号
FR19850003256
申请日期
1985.03.01
申请人
INFO MEDIA
发明人
分类号
A63F9/00;G01R19/145;G09B7/06;(IPC1-7):G01R27/02;A63F9/18
主分类号
A63F9/00
代理机构
代理人
主权项
地址
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