Humidifiers; Air-conditioning apparatus and installations; Air filtering installations; Air purifying apparatus and machines; Air sterilizers; Bed warmers; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Electric air deodorizing apparatus; Electric footwarmers in the nature of footmuffs; Electric radiators; Electronic generator for use in controlling the amount of humidity in the air by creating, removing or circulating small water...