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发明名称
Improvements in or relating to armchairs or sofas convertible into beds
摘要
申请公布号
GB489492(A)
申请公布日期
1938.07.28
申请号
GB19370000330
申请日期
1937.01.05
申请人
SALOMO HIRSCH
发明人
分类号
A47C17/30
主分类号
A47C17/30
代理机构
代理人
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