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发明名称
Combination indicator and score keeping device for bridge games
摘要
申请公布号
US1933487(A)
申请公布日期
1933.10.31
申请号
US19330652914
申请日期
1933.01.21
申请人
STRASBERGER MAX J
发明人
STRASBERGER MAX J.
分类号
A63F1/18
主分类号
A63F1/18
代理机构
代理人
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