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发明名称
Educational toy and puzzle
摘要
申请公布号
US2694265(A)
申请公布日期
1954.11.16
申请号
US19500147167
申请日期
1950.03.02
申请人
WAY ELWOOD J
发明人
WAY ELWOOD J.
分类号
A63F3/04;A63F9/12;G09B1/36
主分类号
A63F3/04
代理机构
代理人
主权项
地址
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