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发明名称
EDUCATIONAL TOY
摘要
申请公布号
US3514894(A)
申请公布日期
1970.06.02
申请号
USD3514894
申请日期
1967.09.14
申请人
FRANK L. NOVAK
发明人
FRANK L. NOVAK
分类号
A63H33/00;A63H33/16;(IPC1-7):A63H33/00
主分类号
A63H33/00
代理机构
代理人
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地址
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