Plastics piping and ducting systems - Thermoplastics pipes - Determination of ring flexibility (ISO 13968:2008); German version EN ISO 13968:2008— 9 стр.
Surgical drapes, gowns and clean air suits, used as medical devices for patients, clinical staff and equipment - Part 2: Test methods; German version EN 13795-2:2004— 12 стр.