Refrigerated display cabinets - Part 2: Classification, requirements and test conditions (ISO 23953-2:2005); German version EN ISO 23953-2:2005— 86 стр.
Plastics - Smoke generation - Part 2: Determination of optical density by a single-chamber test (ISO 5659-2:2006); German version EN ISO 5659-2:2006— 44 стр.