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发明名称
Wall bed construction
摘要
申请公布号
US2224727(A)
申请公布日期
1940.12.10
申请号
US19380224309
申请日期
1938.08.11
申请人
FRIEDE VLADIMIR M
发明人
FRIEDE VLADIMIR M.
分类号
A47C17/46
主分类号
A47C17/46
代理机构
代理人
主权项
地址
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