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发明名称
Methods of progressive jackpot gaming
摘要
申请公布号
US4861041(C1)
申请公布日期
2001.07.03
申请号
US19880214934
申请日期
1988.07.05
申请人
发明人
分类号
A63F1/00;A63F1/18;A63F3/00;G07F17/32;(IPC1-7):A63F1/00
主分类号
A63F1/00
代理机构
代理人
主权项
地址
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