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经营范围
发明名称
Sofa bed
摘要
申请公布号
US1764874(A)
申请公布日期
1930.06.17
申请号
US19270165557
申请日期
1927.02.03
申请人
S. KARPEN & BROS.
发明人
HULTGREN CHARLES R.
分类号
A47C17/22
主分类号
A47C17/22
代理机构
代理人
主权项
地址
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