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English versions: GB/T 33840-2025
1-2024_Chinese: Mechanical vibration and shock - Characterization of the dynamic mechanical properties of visco-elastic materials - Part 1:PRinciples and guidelines (Chinese: 机械振动与冲击 黏弹性材料动态力学性能的表征 第1部分：原理和指南)
GB/T 13511
English versions: GB/T 44947-2024
GB/T 45155-2024_Chinese: Quality management - Guidance to understand
GB/T 45475.2-2025 Chinese PDF (GB /T45475.2-2025) GB/T 25246-2025 English versions: GB/T 33840-2025GB T 45475. 2 2025_Chinese: Plastics Poly(phenylene ether) (PPE) moulding and extrusion materials Part 2: Preparation of test specimen and determination of properties (Chinese: PPE 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45475. 2 2025
