发明名称 Educational toy
摘要 An educational toy comprised of a kit of parts, and including blocks having slots in their faces, and resilient strips to fit into the slots and adapted to be retained in the slots by bending of the strips.
申请公布号 US4143481(A) 申请公布日期 1979.03.13
申请号 US19760750697 申请日期 1976.12.15
申请人 LOECHEL, STEPHEN J. 发明人 LOECHEL, STEPHEN J.
分类号 A63H33/10;(IPC1-7):A63H33/08 主分类号 A63H33/10
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