Automatic ventilation device in living room

The automatic ventilation device in the living room comprises a plurality of ventilation mechanisms arranged on the inner wall of the living room, each ventilation mechanism comprises a ventilation pipe, a rotating shaft is arranged in each ventilation pipe, a plurality of spiral blades are fixedly...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YUAN XUBIAO, HU HONGLING
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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