Refrigerating appliances and installations; Refrigerating cabinets; Refrigerating display cabinets; Refrigerators; Refrigerators and replacement parts and fittings therefor, namely, equipment for stabilizing enhancing the integrity of air curtains in order to maintain the efficiency of the refrigerator, equipment producing air jets, aerodynamic energy-saving devices for display refrigerators, all specially adapted for and sold as an integral part of refrigerators; Refrigerated shelves; Househ...