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发明名称
Baseball game
摘要
申请公布号
US1819219(A)
申请公布日期
1931.08.18
申请号
US19290337975
申请日期
1929.02.06
申请人
EMORY BATES RALPH
发明人
BATES RALPH EMORY
分类号
A63F7/06
主分类号
A63F7/06
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