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发明名称
Holder for cross-word puzzles
摘要
申请公布号
US2168551(A)
申请公布日期
1939.08.08
申请号
US19370134259
申请日期
1937.04.01
申请人
HARRY ALEXANDER
发明人
ALEXANDER HARRY
分类号
A63F3/04
主分类号
A63F3/04
代理机构
代理人
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