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发明名称
Auxiliary bed frame for converting a bed to a couch
摘要
申请公布号
US2976547(A)
申请公布日期
1961.03.28
申请号
US19590848834
申请日期
1959.10.26
申请人
WYATT MARION O
发明人
WYATT MARION O.
分类号
A47C17/14
主分类号
A47C17/14
代理机构
代理人
主权项
地址
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