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发明名称
Apparatus for use in the study of mathematics
摘要
申请公布号
GB2258335(B)
申请公布日期
1995.03.01
申请号
GB19910016254
申请日期
1991.07.27
申请人
ROBERT J * FISK-MOORE
发明人
ROBERT J * FISK-MOORE
分类号
A63F3/02;A63F3/04;G09B1/10;G09B19/02;(IPC1-7):G09B19/02
主分类号
A63F3/02
代理机构
代理人
主权项
地址
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