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发明名称
SCHONVORRICHTUNG AN KRANKENBETTEN GEGEN BETTNAESSER.
摘要
申请公布号
DE1704755(U)
申请公布日期
1955.08.11
申请号
DE195500SC258U
申请日期
1955.02.01
申请人
ERNST SCHROEDER
发明人
ERNST SCHROEDER
分类号
主分类号
代理机构
代理人
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