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经营范围
发明名称
Puzzle
摘要
申请公布号
US2317273(A)
申请公布日期
1943.04.20
申请号
US19410412641
申请日期
1941.09.27
申请人
HUTCHISON HAROLD W
发明人
HUTCHISON HAROLD W.
分类号
A63F9/10
主分类号
A63F9/10
代理机构
代理人
主权项
地址
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