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发明名称
Puzzle
摘要
申请公布号
US2024541(A)
申请公布日期
1935.12.17
申请号
US19320632448
申请日期
1932.09.09
申请人
SILKMAN EDWIN F
发明人
SILKMAN EDWIN F.
分类号
A63F1/02;A63F9/12
主分类号
A63F1/02
代理机构
代理人
主权项
地址
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