Fire-fighting smoke exhaust air pipe

The fire-fighting smoke exhaust air pipe comprises a pipe body, a concentric-square-shaped scraping plate is arranged in the pipe body in a sliding mode, a blowing plate is fixed in the concentric-square-shaped scraping plate, a reset assembly for driving the concentric-square-shaped scraping plate...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHEN XUJUN, ZHOU LU, LIU JINBING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CLEANING CLEANING IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREVENTION OF FOULING IN GENERAL RANGES SEPARATION TRANSPORTING VENTILATING WEAPONS
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