GB/T 45159.2-2024 Chinese PDF (GB /T45159.2-2024) GB/T 23527.4-2025 1-2024_Chinese: Mechanical vibration - Measurement

1-2024_Chinese: Mechanical vibration - Measurement and evaluation of machine vibration - Part 1: General guidelines (Chinese: 机械振动 机器振动的测量和评价 第1部分：总则)

3-2025_Chinese: Non-destructive testing - Ultrasonic testing block - Part 3: Calibration block for curved surface (Chinese: 无损检测 超声检测试块 第3部分：曲面检测标准试块)

GB/T 45178-2024_Chinese: Man-made fibre - Determination of antioxidant activity - DPPH and ABTS methods (Chinese: 化学纤维 抗氧化活性测定 DPPH和ABTS法)

GB/T 45040-2024_Chinese: Bedding - Test method for air permeability of latex products (Chinese: 床上用品 乳胶制品透气性试验方法)

GB/T 45237-2025_Chinese: Dangerous goods - Test method of vent sizing for vessel of self-reactive substances and organic peroxides (Chinese: 危险货物 自反应物质和有机过氧化物容器排气孔尺寸确定的试验方法)

GB/T 45159.2-2024 Chinese PDF (GB /T45159.2-2024) GB/T 23527.4-2025 1-2024_Chinese: Mechanical vibration - MeasurementGB T 45159. 2 2024_Chinese: Mechanical vibration and shock Characterization of the dynamic mechanical properties of visco elastic materials Part 2: REsonance method (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45159. 2 2024