Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; heated cabinets for foodstuff; electric appliances for cooking foodstuffs and food warmers; electric food cooking machines; refrigerating containers; cooking apparatus and installations; cooking utensils, electric; deep fryers, electric; food warmers (electric or non-electric); framework of metal for ovens; freezers; gas burners; heating plates; extractor hoods for kitchens; hot air ovens; ice boxes; ice machines and apparatus; kitchen ranges (ovens); ovens, other than for experimental purposes; refrigerating apparatus and machines; refrigerating appliances and installations; refrigerating cabinets; refrigerators