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发明名称
Chequered board for games using movable pieces
摘要
申请公布号
GB407142(A)
申请公布日期
1934.03.15
申请号
GB19320032295
申请日期
1932.11.15
申请人
BERTIL EKBOM
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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