Air-conditioning apparatus and installations; Air-conditioning, air cooling and ventilation apparatus and instruments; Air cleaning units; Air filtering installations; Air purifying apparatus and machines; Cooling installations for water; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Electric air driers; Lighting apparatus, namely, lighting installations; Water purification installations

Air-conditioning apparatus; Air filtering installations; Air purifying apparatus and machines; Cooling installations for water; Electric air deodorizers; Electric air dryers; Gas scrubbing apparatus; Lighting apparatus, namely, lighting installations; Turbine ventilators; Water purification installations