73049705
Apr 17, 1975
Dec 25, 1979
AIR CONDITIONING AND VENTILATING EQUIPMENT FOR INDUSTRY AND BUILDING TRADES-NAMELY, COMPLETE UNITS FOR AIR CONDITIONING INCLUDING HEATING, FILTERING, MOISTENING, COOLING, VENTILATING MIXING EQUIPMENT; HEATER UNITS; HEAT EXCHANGES, FANS AND BLOWERS, AIR INJECTORS AND EJECTORS; HEAT RADIATING PANELS
Environmental Control Apparatus