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发明名称
Sounding toy
摘要
申请公布号
US2838871(A)
申请公布日期
1958.06.17
申请号
US19570637691
申请日期
1957.02.01
申请人
BORING FRANK M
发明人
BORING FRANK M.
分类号
A63H5/00;F42B12/36
主分类号
A63H5/00
代理机构
代理人
主权项
地址
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