发明名称 Pedagogisk formsorteringsleksak
摘要 A sorting device including an open top container with an invertible sorting member mounted thereover. The sorting member includes multiple funnel-shaped passages therethrough each having, at one end, an enlarged opening and at the second truncated end a specifically configured opening of a size to closely receive and pass therethrough only a correspondingly configured block introduced in either direction through the configured opening.
申请公布号 SE510312(C2) 申请公布日期 1999.05.10
申请号 SE19920000783 申请日期 1992.03.13
申请人 DART INDUSTRIES INC 发明人 BRIAN L *AIKEN;PATRICK W *BROWN;HANS R *ESPIG
分类号 A63F9/12;A63F7/06;A63F9/06;A63F9/10;A63H33/00;G09B1/16;G09B1/36;G09B19/00;(IPC1-7):A63F9/08 主分类号 A63F9/12
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