Wall ventilation structure

The utility model provides a wall ventilation structure which is characterized in that a three-opening ventilation pipeline A is arranged in a ceiling, a first opening A of the three-opening ventilation pipeline A is communicated to the outdoor, a second opening A of the three-opening ventilation pi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SU KEJIAN, GAO LIN
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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