发明名称 Baseball game board
摘要 An improved baseball game board is provided comprising a rack and pinion batting mechanism for performing left-handed or right-handed batting, a pitching mechanism for continuously feeding balls and a band-like rubber magnet plate with indications of HIT, 2BH and 3BH applied onto the outfield fence.
申请公布号 US4179123(A) 申请公布日期 1979.12.18
申请号 US19780910775 申请日期 1978.05.30
申请人 TSUKUDA, MITSUO 发明人 TSUKUDA, MITSUO
分类号 A63F7/06;A63F7/20 主分类号 A63F7/06
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