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经营范围
发明名称
Combined chair and bed
摘要
申请公布号
US2249266(A)
申请公布日期
1941.07.15
申请号
US19380202480
申请日期
1938.04.16
申请人
BELL JOSEPH D
发明人
BELL JOSEPH D.
分类号
A47C1/024
主分类号
A47C1/024
代理机构
代理人
主权项
地址
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