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发明名称
Dual sofa bed
摘要
申请公布号
US2965908(A)
申请公布日期
1960.12.27
申请号
US19580768597
申请日期
1958.10.21
申请人
GALLOWAY RALPH M
发明人
GALLOWAY RALPH M.
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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