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发明名称
Geraet zur Pflege des Fussbodens
摘要
申请公布号
DE809341(C)
申请公布日期
1951.07.30
申请号
DE1949P039213D
申请日期
1949.04.08
申请人
LUDWIG JOSEF
发明人
LUDWIG JOSEF
分类号
A47L11/08
主分类号
A47L11/08
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代理人
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