72381205
Jan 18, 1971
May 2, 1972
AIR CONDITIONERS, SELF-CONTAINED AIR CONDITIONING UNITS, AIR COOLED CONDENSING UNITS, CENTRAL AIR CONDITIONING STATIONS FOR COOLING, HEATING, DEHUMIDIFYING, HUMIDIFYING, FILTERING AND CIRCULATION OF AIR FOR COMFORT AND INDUSTRIAL APPLICATIONS, HEAT PUMPS, AND AIR CONDITIONING UNITS FOR HEATING, COOLING, HUMIDIFYING, AND DEHUMIDIFYING AIR IN RESIDENTIAL AND COMMERCIAL APPLICATIONS
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