Dentistry - Manual toothbrushes - General requirements and test methods (ISO 20126:2012 + Amd 1:2018); German version EN ISO 20126:2012 + A1:2018— 20 стр.
Plastics - Determination of Charpy impact properties - Part 2: Instrumented impact test (ISO 179-2:1997 + Amd.1:2011); German version EN ISO 179-2:1999 + A1:2012— 26 стр.