2021EN ISO 6721-3:2021 Plastics - Determination of dynamic mechanical properties - Part 3: Flexural vibration - Resonance-curve method (ISO 6721-3:2021)
1996EN ISO 6721-3:1996 Plastics - Determination of Dynamic Mechanical Properties - Part 3: Flexural Vibration - Resonance-Curve Method (ISO 6721-3 : 1994, Including Technical Corrigendum 1 : 1995)