Air-conditioning installations; [ Apparatus for disinfecting water; Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; ] Bath installations; [ Cooling apparatus for medical storage purposes; Cooling installations for water; Disinfectant apparatus for medical purposes; ] Electric lamps; Fitted liners for baths and showers; [ Flashlights; Gas scrubbing apparatus; Heat sinks for use in heating, cooling and ventil...