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Technical Specification For Fire Detection And Alarm System Pdf Electrical Wiring Pc Keyboard | #equipamento para iluminação de emergência

Technical Specification For Fire Detection And Alarm System Pdf Electrical Wiring Pc Keyboard

Technical Specification For Fire Detection And Alarm System Pdf Electrical Wiring Pc Keyboard

A system of one or more mains powered detectors, each with a tamper-proof standby supply consisting of a battery or batteries.