Ventilation device

The utility model belongs to the technical field of ventilation, and discloses a ventilation device which comprises a shell, a ventilation impeller and a filter screen, the filter screen is arranged between the ventilation impeller and a detachable ventilation plate of the shell, and the filter scre...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CAO JIAQUAN, LI WEN, WU JIAXING, QIN GUANNAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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