Smoke exhaust valve for ventilating duct

The utility model provides a ventilation pipeline smoke exhaust valve which comprises a shell, a rectangular box is arranged at the left end of the shell, a driving device is arranged at the left end of the rectangular box, the movable end of the driving device extends into the rectangular box, a pl...

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Bibliographische Detailangaben
Hauptverfasser:	HAN CHENGJIAN, PAN YUFANG, HUANG KELIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES WEAPONS
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