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发明名称
Educational pop-up toy
摘要
申请公布号
US3004353(A)
申请公布日期
1961.10.17
申请号
US19600012074
申请日期
1960.03.01
申请人
LINK RESEARCH CORPORATION
发明人
KLAMER REUBEN B.;HERRICK DONALD W.
分类号
A63H33/30
主分类号
A63H33/30
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