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经营范围
发明名称
Sofa bed
摘要
申请公布号
US2907053(A)
申请公布日期
1959.10.06
申请号
US19550533486
申请日期
1955.09.09
申请人
THE SENG COMPANY
发明人
FOX MARTIN
分类号
A47C17/13
主分类号
A47C17/13
代理机构
代理人
主权项
地址
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