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发明名称
AUS RAHMEN UND LAMELLEN BESTEHENDE VERSCHLUSSKLAPPE ZUM ABSCHLUSS VON LUEFTUNGSKANAELEN, INSBESONDERE FUER VENTILATOREN.
摘要
申请公布号
DE1644203(U)
申请公布日期
1952.09.25
申请号
DE195200M8197U
申请日期
1952.07.22
申请人
MAICO ELEKTROAPPARATE-FABRIK G. M. B. H.
发明人
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