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经营范围
发明名称
EDUCATIONAL GAME DEVICE
摘要
申请公布号
US3526975(A)
申请公布日期
1970.09.08
申请号
USD3526975
申请日期
1969.03.19
申请人
STANLEY H. REEVES
发明人
STANLEY H. REEVES
分类号
G09B11/04;(IPC1-7):G09B11/04
主分类号
G09B11/04
代理机构
代理人
主权项
地址
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