REFRIGERATING APPLIANCES AND INSTALLATIONS; REFRIGERATING CABINETS; REFRIGERATING DISPLAY CABINETS; REFRIGERATORS; DISPLAY REFRIGERATION EQUIPMENT; DISPLAY REFRIGERATION APPARATUS AND INSTRUMENTS; REFRIGERATION EQUIPMENT; REFRIGERATED SHELVES; REFRIGERATION UNITS; COMMERCIAL REFRIGERATION UNITS; REFRIGERATION IN THE FORM OF BENCHES; PARTS AND FITTINGS FOR ALL THE AFORESAID GOODS