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发明名称
Improvements in or relating to apparatus for use in playing chess
摘要
申请公布号
GB811330(A)
申请公布日期
1959.04.02
申请号
GB19560004295
申请日期
1956.02.10
申请人
NORMAN CROPPER
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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