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发明名称
Improvements in or relating to seats convertible into bedsteads
摘要
申请公布号
GB338810(A)
申请公布日期
1930.11.27
申请号
GB19300003571
申请日期
1930.02.03
申请人
HYMAN MORRON
发明人
分类号
A47C17/22
主分类号
A47C17/22
代理机构
代理人
主权项
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