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发明名称
Lueftungsvorrichtung fuer Raeume
摘要
申请公布号
DE1108883(B)
申请公布日期
1961.06.15
申请号
DE1957A026612
申请日期
1957.02.21
申请人
WERNER ALBERS
发明人
ALBERS WERNER
分类号
E06B7/10
主分类号
E06B7/10
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代理人
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