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发明名称
Backgammon score tower
摘要
A structure for the backgammon board that combines means to; record cumulative and games-won scores, retain and display the doubling cube precisely, hold a dice-casting device, and retain, display and facilitate dispersement of stones.
申请公布号
US4877247(A)
申请公布日期
1989.10.31
申请号
US19830544989
申请日期
1983.10.24
申请人
FRANCIS, RAYMOND L.
发明人
FRANCIS, RAYMOND L.
分类号
A63F3/00;A63F9/00;A63F11/00;G07C15/00
主分类号
A63F3/00
代理机构
代理人
主权项
地址
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