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发明名称
PLAYING CARDS FOR AN EDUCATIONAL GAME
摘要
申请公布号
EP0616548(B1)
申请公布日期
1997.02.05
申请号
EP19930922598
申请日期
1993.10.13
申请人
DRUCE, JOHN MICHAEL;DRUCE, HARRY FREDERICK
发明人
DRUCE, JOHN MICHAEL;DRUCE, HARRY FREDERICK
分类号
A63F1/04;A63F3/00;A63F9/00;A63F9/18;A63F11/00;G09B1/32;G09B3/02;G09B19/00;G09B19/02;G09B19/08;(IPC1-7):A63F1/04
主分类号
A63F1/04
代理机构
代理人
主权项
地址
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