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发明名称
Spinning top
摘要
申请公布号
US2282314(A)
申请公布日期
1942.05.12
申请号
US19400366466
申请日期
1940.11.20
申请人
JAMES HOULIHAN WILLIAM
发明人
HOULIHAN WILLIAM JAMES
分类号
A63H1/00;A63H1/28
主分类号
A63H1/00
代理机构
代理人
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