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发明名称
Foldable play pen
摘要
申请公布号
US2991486(A)
申请公布日期
1961.07.11
申请号
US19580733038
申请日期
1958.05.05
申请人
HAMILTON COSCO, INC.
发明人
HAMILTON EARL F.
分类号
A47D13/06
主分类号
A47D13/06
代理机构
代理人
主权项
地址
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