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发明名称
Convertible bed-sofa combinations
摘要
申请公布号
US2779031(A)
申请公布日期
1957.01.29
申请号
US19540420633
申请日期
1954.04.02
申请人
ARPIN FRANK D
发明人
ARPIN FRANK D.
分类号
A47C17/16;A47C27/00
主分类号
A47C17/16
代理机构
代理人
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地址
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