Air-conditioning apparatus; Air-conditioning installations; Air filtering installations; Air purification units; Air sterilising apparatus; Disinfectant apparatus for medical purposes; Electrochemical gas generators; Electronic generator for use in controlling the amount of humidity in the air by creating, removing or circulating small water particles or water vapor in the air; Gas purification machines; Gas scrubbers; Heating and cooling apparatus for dispensing hot and cold beverages; Ice-c...