GB 28881-2023 Chinese PDF GB/T 22939.5-2025 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/T 45517-2025_Chinese: Determination of phenol in toys and children's products - High performance liquid chromatography (Chinese: 玩具及儿童用品中苯酚的测定 高效液相色谱法)

English versions: GB 29145-2023

GB/T 44981-2024_Chinese: Packaged rice production line (Chinese: 包装米饭加工生产线)

GB 28881-2023 Chinese PDF GB/T 22939.5-2025 3-2024_Chinese: Mechanical vibration and shockGB 28881 2023_Chinese: Hand protection Protective gloves against chemicals and micro organisms (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 28881 2023