FIRE ALARM SYSTEM

FIELD: signaling or calling systems, particularly alarm systems. ^ SUBSTANCE: fire alarm system comprises local communication network, subscriber group, concentrator group, subscriber group, multiplexer group, repeater group, access device group and group of centralized monitoring stations. The syst...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHUREVSKIJ N.P, KIRILLOV A.I, SHCHERBAKOV V.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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