廣播告警系統(tǒng)echotraining(已修改)
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【正文】 Federal Signal Corporation Sa f e t y P r o d u c t sGr o u pT o o l G r o u p E n v i r o n m e n t a l P r o d u c t sGr o u pF i r e R e s c u eGr o u pF e d e r a l S i g n a l C o r p o r a t i o nUniversity Park US1M sq ft Safety Products Group ? US$267 Million turnover with 5 Divisions ? Emergency Products ? Federal Warning Systems ? Parking control ? Hazardous Liquid storage ? Electrical Products (US$45M) Integrated Systems (US$6M) Pagasys and Echo Hazardous Area/Industrial products ? Centralised single, duplicated or distributed PA/GA ? Centralised or Distributed Page amp。 Party digital Inter ? Drillers Inter Systems: Products: ? Loudspeakers ? Sirens ? Beacons ?Digital access stations Digital PA/GA S
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