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发明名称
Game board
摘要
申请公布号
US2145434(A)
申请公布日期
1939.01.31
申请号
US19380219326
申请日期
1938.07.15
申请人
HERBERT RUBIN
发明人
RUBIN HERBERT
分类号
F41J3/00
主分类号
F41J3/00
代理机构
代理人
主权项
地址
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