发明名称 An education aid
摘要 An education aid, having a circular aid body in the form of a lamina with opposing first and second surfaces. Questions are provided in sector portions that are demarcated on the first surface and answers, corresponding to each question, are provided on the second surface. A pointer is provided which may be spun to randomly select a question, and a pin may be used to correlating the answer with the question by passing the pin through a hole provided in the relevant sector portion where the question is positioned.
申请公布号 AU6052701(A) 申请公布日期 2002.05.06
申请号 AU20010060527 申请日期 2001.05.30
申请人 GARY LANCELOT GEORGE WATSON;MARIA ROSINA BROWN 发明人 MARIA ROSINA BROWN
分类号 G09B3/02 主分类号 G09B3/02
代理机构 代理人
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