GB/T 41850.9-2024 Chinese PDF (GB /T41850.9-2024) GB/T 2624.5-2024 GB/T 22107-2025_Chinese: Pneumatic fluid power

GB/T 22107-2025_Chinese: Pneumatic fluid power - Directional control valves - Measurement of shifting time (Chinese: 气动 方向控制阀 切换时间的测量)

GB/T 12789

40-2024_Chinese: Specifications for optical fibre test methods - Part 40: Measurement methods and test procedures for transmission characteristics - Attenuation (Chinese: 光纤试验方法规范 第40部分：传输特性的测量方法和试验程序 衰减)

English versions: GB/T 24851-2024

GB/T 41850.9-2024 Chinese PDF (GB /T41850.9-2024) GB/T 2624.5-2024 GB/T 22107-2025_Chinese: Pneumatic fluid powerGB T 41850. 9 2024_Chinese: Mechanical vibration Measurement and evaluation of machine vibration Part 9: Gear units (Chinese: 9) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 41850. 9 2024