Fire alarm device

The utility model provides a fire-fighting alarm device which comprises a fire-fighting alarm body, an upper water tank is installed at the upper end of the fire-fighting alarm body, the lower end face of the upper water tank is sunken upwards to form a plurality of through holes, the through holes...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUN CHUIFANG, LI HAOJIE, ZHANG BICHUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
Online-Zugang:	Volltext bestellen
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