Reflexive two-way fire detector

The application provides a reflexive two-way fire detector, comprising: a first circuit composed of normally-on terminals and a normally-on metal piece disposed between the normally-on terminals; a second circuit composed of normally-off terminals and a normally-off metal piece disposed between the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI CHUN, ZHU YANGZHENG, ZHENG YOULAN, LI NA, KUANG CHUANSHU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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