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经营范围
发明名称
Playing piece
摘要
申请公布号
US2444517(A)
申请公布日期
1948.07.06
申请号
US19460659067
申请日期
1946.04.02
申请人
发明人
分类号
A63F3/02
主分类号
A63F3/02
代理机构
代理人
主权项
地址
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