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发明名称
Spinning top
摘要
申请公布号
US3201896(A)
申请公布日期
1965.08.24
申请号
US19630248998
申请日期
1963.01.02
申请人
DALHART AUSTIN T
发明人
DALHART AUSTIN T.
分类号
A63H1/18
主分类号
A63H1/18
代理机构
代理人
主权项
地址
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