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发明名称
EDUCATIONAL DEVICE
摘要
申请公布号
HU9700254(D0)
申请公布日期
1997.03.28
申请号
HU19970000254
申请日期
1997.01.28
申请人
KELLE,ANTAL;MAJERCSIK,KRISZTINA
发明人
KELLE,ANTAL;MAJERCSIK,KRISZTINA
分类号
A63H15/00;G09B1/00
主分类号
A63H15/00
代理机构
代理人
主权项
地址
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