Apparatus for purifying air; drying apparatus for chemical processing; nitrogen gas booths; Air dehumidifiers; ion adsorption total heat exchangers; Air purification apparatus; Air deodorizing apparatus; Air-conditioning apparatus and installations; solvent recovery systems; Electric dehumidifiers; heat exchanger rotors specially adapted for industrial dryers for heating and dehumidifying, heat exchanger rotors, namely, structural parts for heat exchangers for chemical processing; Desiccant dehumidifiers; Air conditioning apparatus for industrial use; Dehumidifiers; Air-conditioning, air cooling and ventilation apparatus and instruments; rotors, namely, replacement parts of air filtering installations, replacement parts of dehumidifiers; dry booths; Air purifying apparatus and machines; Air conditioning installations; nitrogen purifiers; Filters for use with apparatus for air-conditioning: Filters for use with apparatus for air conditioning; Filters for air purifiers; Electric fans for air-conditioning; Air-conditioning filters; Air cooling apparatus; desiccant air conditioners; installations for treating gases, namely, filters and filtering devices for gas conditioning; Air-conditioning installations; Air filters for air-conditioning units; Air purifying machines; Air conditioning apparatus; Electric air deodorizing apparatus; Fans for air conditioning apparatus; Air conditioners; Air-conditioning installations for industrial purposes; Air purification units; Air cooling systems comprised of air conditioning and desiccating units; Industrial air purifiers; honeycomb matrix rotors, namely, structural parts of air filtering installations, structural parts of dehumidifiers; Electric air purifiers; rotary regenerative heat exchangers, namely, other than parts of machines; Air-conditioning apparatus for industrial purposes; Separators for the cleaning and purification of air; Dehumidifiers for commercial use; rotary heat exchangers, namely, other than parts of machines; ozone decomposition filters; Air conditioning filters; Air purifying units; Industrial dehumidifiers; Electric air deodorizers; dry air gloveboxes; Air purifiers; Air-conditioning installations and apparatus; dry rooms; Air purifying units for industrial use; Air exchangers for cleaning and purifying air; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Air-conditioning apparatus for industrial use; Air purifying apparatus; Air filters for air conditioning units; Air-conditioning installations for commercial use; Industrial dryers for heating and dehumidifying; Air-conditioning apparatus; volatile organic compound concentrators; Air purifying units for industrial purposes; Dehumidifiers, electric; Air purifiers, electric; Air-conditioning units; Dryers for the removal of solid, liquid and vapor contaminants from air and gases; Filters for air conditioning; Air purifying units for commercial use; Air-conditioning apparatus for commercial buildings; deodorizing filters; Air filters for air conditioners in vehicle passenger compartments; Evaporators for air conditioners