FEDERAL

Electrically Operated Audible Signals and Alarm Units-Namely, Electric Horns, Sirens and Bells; Chimes and Whistles for Signalling; Loudspeakers, Microphones and Electronic Megaphones; Warning Lights for Mounting on Vehicles and for Stationary Mounting; Air-Operated Warning Horns; Speed Measuring Units Carried on One Vehicle for Measuring the Speed of Another Vehicle; Radio Receivers, Two-Way Radios, Tone Encoders; Fire Alarm and Voice Communication Units for Buildings; Fire Helmets; Electric Signs; Electric Program Clocks; Electronic Magnetic Card Units for Controlling Operation of Doors and Barriers; and Parking and Bridge Gates and Control Units Therefor

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