Manuell alarm

A fire alarm button has a lever (7) holding the sprung switch (6) closed and releasing it by breaking the glass sheet (4) or testing with lock key (10) and catch (11).

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Bibliographische Detailangaben
Hauptverfasser:	PFENNINGER CHRISTOPH, DIENER HEINZ
Format:	Patent
Sprache:	nor
Schlagworte:	ALARM SYSTEMS BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES ORDER TELEGRAPHS PHYSICS RELAYS SELECTORS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:	A fire alarm button has a lever (7) holding the sprung switch (6) closed and releasing it by breaking the glass sheet (4) or testing with lock key (10) and catch (11).