发明名称 VENTILATION DEVICE WITH REDUCED SOUND GENERATION
摘要 <p>A ventilation device 21 configured to be connected to a mouth of a ventilation duct 9 between the ventilation duct and an outside space. The ventilation device comprises an airflow opening 27 for passage of an airflow 30 between the ventilation device and the outside space. An air-permeable material 29 is disposed in the airflow opening 27.</p>
申请公布号 WO2015122831(A1) 申请公布日期 2015.08.20
申请号 WO2015SE50157 申请日期 2015.02.10
申请人 LINDAB AB 发明人 SALOMONSSON, ROBERT;HULTMARK, GÖRAN;VORRE, ANDERS
分类号 F24F13/12;F24F7/00;F24F13/06;F24F13/08;F24F13/10;F24F13/16;F24F13/24 主分类号 F24F13/12
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