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发明名称
Informatik-Spiele/Lern-Tapeten
摘要
申请公布号
DE29617416(U1)
申请公布日期
1997.02.13
申请号
DE19962017416U
申请日期
1996.10.07
申请人
DOBERT, BERNHARD, 45141 ESSEN, DE
发明人
分类号
G09B19/00;G09B23/00;G09B25/02;(IPC1-7):G09B19/00;D06N7/00
主分类号
G09B19/00
代理机构
代理人
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地址
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