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发明名称
A new or improved educational toy
摘要
申请公布号
GB896825(A)
申请公布日期
1962.05.16
申请号
GB19590031185
申请日期
1959.09.14
申请人
ARTHUR WOOD
发明人
分类号
A63H33/04
主分类号
A63H33/04
代理机构
代理人
主权项
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