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发明名称
Improvements in or relating to word puzzles
摘要
申请公布号
GB705837(A)
申请公布日期
1954.03.17
申请号
GB19500027687
申请日期
1950.11.13
申请人
CUTHBERT GORDON STOWELL
发明人
分类号
A63F3/04
主分类号
A63F3/04
代理机构
代理人
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