Air cleaning units; Air conditioning apparatus; Air conditioning installations; Air exchangers for cleaning and purifying air; Air filtering installations; Air humidifying apparatus; Air purifying apparatus; Air purifying apparatus and machines; Air sterilizers; Air sterilizing apparatus; Air-conditioning, air cooling and ventilation apparatus and instruments; Ceiling lights; Desiccating units for producing dried fruits; Drying apparatus for use in heating, ventilation systems, air conditioni...

Enzymes for use in the production of animal feedstuffs