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发明名称
Puzzle
摘要
申请公布号
US2178190(A)
申请公布日期
1939.10.31
申请号
US19390259455
申请日期
1939.03.02
申请人
IRVING STEINHARDT
发明人
STEINHARDT IRVING
分类号
A63F9/12
主分类号
A63F9/12
代理机构
代理人
主权项
地址
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