DIN EN ISO 6721-3:2021-05 塑料 - 動態(tài)機械性能的測定 - 第 3 部分:彎曲振動 - 共振曲線法 (ISO 6721-3:2021)
Plastics - Determination of dynamic mechanical properties - Part 3: Flexural vibration - Resonance-curve method (ISO 6721-3:2021); German version EN ISO 6721-3:2021