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发明名称
Collapsible play pen
摘要
申请公布号
US2873458(A)
申请公布日期
1959.02.17
申请号
US19570667630
申请日期
1957.06.24
申请人
ADAMSON JOHN Q
发明人
ADAMSON JOHN Q.
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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