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发明名称
Improvements in and relating to convertible bed chairs or settees
摘要
申请公布号
GB540518(A)
申请公布日期
1941.10.20
申请号
GB19400013624
申请日期
1940.08.29
申请人
THOMAS BOON
发明人
分类号
A47C17/16;A47C17/165
主分类号
A47C17/16
代理机构
代理人
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