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发明名称
Device for practicing basketball shooting accuracy
摘要
申请公布号
US3160414(A)
申请公布日期
1964.12.08
申请号
US19620179608
申请日期
1962.03.14
申请人
GRAY WYNDOL W
发明人
GRAY WYNDOL W.
分类号
A63B63/08
主分类号
A63B63/08
代理机构
代理人
主权项
地址
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