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发明名称
Promotional game
摘要
申请公布号
US4781378(A)
申请公布日期
1988.11.01
申请号
US19870076322
申请日期
1987.07.22
申请人
发明人
分类号
A63F3/00;A63F3/06;A63F9/00;(IPC1-7):A63F1/00
主分类号
A63F3/00
代理机构
代理人
主权项
地址
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