Device for freely adjusting perpendicularity of air pipe

The utility model belongs to the technical field of construction devices, and particularly discloses a device capable of freely adjusting perpendicularity of an air pipe, which comprises a fixed base, an operating rod and a supporting mechanism used for fixing and supporting the air pipe, a threaded...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QI CHAORAN, SHU QIANG, KONG DONGDONG, SUN JIAHAO, JIANG WEI, DING XUNWANG, TANG PENGCHENG
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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