Elevator ventilation pipe convenient to regulated flow

The utility model provides an elevator ventilation pipe convenient to regulated flow, it relates to the ventilation pipe field. It contains to ventilate is responsible for, left side connecting pipe,flow regulator, right side connecting pipe, locking mechanism, the couple, coil spring, the sticky ta...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUN BINGXIAO, WANG CHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HEATING HOISTING LIFTING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS RANGES TRANSPORTING VENTILATING WEAPONS
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