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发明名称
Map puzzle
摘要
申请公布号
US2953380(A)
申请公布日期
1960.09.20
申请号
US19570685022
申请日期
1957.09.19
申请人
HASSENBACH JOHANN F
发明人
HASSENBACH JOHANN F.
分类号
A63F3/04;A63F9/10
主分类号
A63F3/04
代理机构
代理人
主权项
地址
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