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发明名称
Raumventilator mit gleichzeitiger Förderung von Aussenluft in den Innenraum und von Innenraumluft nach aussen, insbesondere mit Zwischenverschluss
摘要
申请公布号
CH470587(A)
申请公布日期
1969.03.31
申请号
CH19660000274
申请日期
1966.01.06
申请人
BAUMANN,LUDWIG
发明人
BAUMANN,LUDWIG
分类号
F04D25/12;F04D25/16;F24F7/013;F24F13/10;(IPC1-7):F04D17/16;F24F7/00
主分类号
F04D25/12
代理机构
代理人
主权项
地址
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