GB/T 13894-2023 Chinese PDF (GB/T13894-2023) GB/T 45300-2025 3-2024_Chinese: Mechanical vibration and shock

3-2024_Chinese: Mechanical vibration and shock - Characterization of the dynamic mechanical properties of visco-elastic materials - Part 3:CAntilever shear beam method (Chinese: 机械振动与冲击 黏弹性材料动态力学性能的表征 第3部分：悬臂剪切梁法)

GB 44703-2024_Chinese: General requirements for optical radiation safety (Chinese: 光辐射安全通用要求)

2-2025_Chinese: Safety requirements of battery swap for electric vehicles - Part 2: Commercial vehicle (Chinese: 电动汽车换电安全要求 第2部分：商用车辆)

1-2025_Chinese: Technical specification of energy absorption device for high voltage direct current(HVDC) power transmission - Part 1: DC controllable and self-recovery energy absorption device (Chinese: 高压直流输电用消能装置技术规范 第1部分：直流可控自恢复消能装置)

GB/T 13894-2023 Chinese PDF (GB/T13894-2023) GB/T 45300-2025 3-2024_Chinese: Mechanical vibration and shockGB T 13894 2023_Chinese: Petroleum and liquid petroleum products Level measurement Manual methods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13894 2023