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发明名称
Whirling toy
摘要
申请公布号
US2125815(A)
申请公布日期
1938.08.02
申请号
US19370160925
申请日期
1937.08.25
申请人
RAFE EARL GRAINGER;JULIUS GRAINGER
发明人
ROWELL GAR LEE
分类号
A63B67/22
主分类号
A63B67/22
代理机构
代理人
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地址
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