Smoke monitoring device for fire damper

The utility model provides a smoke monitoring device for a fire damper, relates to the field of fire exhaust valves, and aims to solve the problems that a smoke leakage monitoring device is not arranged at a joint of a blade of an existing fire exhaust valve, and when smoke leakage occurs at a conta...

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Bibliographische Detailangaben
1. Verfasser:	ZHANG SHUNZHONG
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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