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经营范围
发明名称
Sofa bed
摘要
申请公布号
US2209880(A)
申请公布日期
1940.07.30
申请号
US19390298481
申请日期
1939.10.07
申请人
THE SENG COMPANY
发明人
FOX MARTIN
分类号
A47C17/17
主分类号
A47C17/17
代理机构
代理人
主权项
地址
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