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发明名称
Durch seitliches Herausschieben der Matratzen in der Breite vergroesserbares Bett
摘要
申请公布号
DE664500(C)
申请公布日期
1938.08.27
申请号
DE1936D073482D
申请日期
1936.09.15
申请人
LUDWIG DEIWICK
发明人
分类号
A47C19/04
主分类号
A47C19/04
代理机构
代理人
主权项
地址
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