11 Apparatus and installations for refrigeration, freezing, air-conditioning, drying, ventilation, steam production; refrigerating apparatus and machines, refrigerating chambers and cabinets, heat and steam accumulators, apparatus and installations for softening water, hot air ovens, apparatus and machines for purifying water and air, air cooling devices, air filters for air-conditioning; dust removing installations for industrial purposes, water distribution and water production installations, water filtering apparatus, cooling evaporators, humidifiers, milk cooling installations, pasteurizers for use in the food industry, air heaters being electric space heaters, heat regenerators, air handlers for purifying, heating and cooling; textile sheet air diffusers, dehumidifiers, dehumidifiers for industrial use, cooling tunnels in the food industry for freezing or cooling food during the manufacturing process, storage containers for ice and water being refrigerators and freezers, sterilizers being heating apparatus; apparatus and installations for refrigeration, freezing, air-conditioning, drying, heating, ventilation, steam generating for all industries and agricultural food industries; water pipes for use in manufacturing and industrial sites in conjunction with or being part of all the above goods