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发明名称
Play yard
摘要
申请公布号
US2217223(A)
申请公布日期
1940.10.08
申请号
US19390260472
申请日期
1939.03.08
申请人
HURLIN WILLIAM H
发明人
HURLIN WILLIAM H.
分类号
A63B9/00
主分类号
A63B9/00
代理机构
代理人
主权项
地址
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