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经营范围
发明名称
Educational entertainment device
摘要
申请公布号
US2432655(A)
申请公布日期
1947.12.16
申请号
US19460664088
申请日期
1946.04.22
申请人
LEE BURNETT
发明人
BURNETT LEE
分类号
A63H11/04
主分类号
A63H11/04
代理机构
代理人
主权项
地址
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