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Publication of BE679554ApublicationCriticalpatent/BE679554A/xx
H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
H01H2003/0233—Emergency operating parts, e.g. for stop-switch in dangerous conditions for alarm triggering, e.g. fire alarm, emergency off switches operated by breaking a glass
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Business, Economics & Management
(AREA)
Emergency Management
(AREA)
Fire Alarms
(AREA)
Rotary Switch, Piano Key Switch, And Lever Switch
(AREA)