Silencing device for building ventilation

The utility model relates to a silencing device for building ventilation, which comprises a building main body, a mounting rack is fixedly connected to the outer wall of one side of the building main body, a case is mounted on the outer wall of the top of the mounting rack, an extension frame is sli...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LYU JINGYUAN
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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