Tender for Alarm Systems And Safety Switches For Sm(5items) Comprising Of Following: - Siren,elec,audible Range:half Mile , - Pre Recorded Voice Alarm Unit,230v+/-10% , - Electronic Hooter Cum Flasher,24vdc,90db , - Switch,foot,heavy Duty,2pos,2no+2nc , - Bell,gong,electric,9in,230/250vac,50hz , in Rourkela - Odisha

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