Food hygiene – Display cabinets – Part 1: Refrigerated display cabinets for frozen and quick frozen foodstuffs as well as icecream – Hygiene requirements, testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2004

Food hygiene – Display cabinets – Part 1: Refrigerated display cabinets for frozen and quick frozen foodstuffs as well as icecream – Hygiene requirements, testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2011