Air-conditioning apparatus and installations; Air-conditioning, air cooling and ventilation apparatus and instruments; Air conditioners; Air cooling apparatus; Air filtering installations; Air purifying apparatus and machines; Barometric condensers for condensing vapors by contact with liquids; Dehumidifiers for household purposes; Desk lamps; Electric fans; Electric heating fans; Gas recycling system comprised primarily of pressure swing adsorption equipment for the recovery, purification an...

Air-conditioning apparatus and installations; Air conditioners; Air cooling apparatus; Air filtering installations; Air purifying apparatus and machines; Barometric condensers for condensing vapors by contact with liquids; Dehumidifiers for household purposes; Desk lamps; Electric fans; Electric heating fans; Gas recycling system comprised primarily of pressure swing adsorption equipment for the recovery, purification and return of gases in industrial applications; Laundry drying machines; LE...