GB/T 45498.1-2025 Chinese PDF (GB /T45498.1-2025) GB/T 44952-2024 English versions: GB/T 45402-2025

English versions: GB/T 45402-2025

2-2024_Chinese: Acoustics - Calibration of hydrophones - Part 2: Procedures for low frequency pressure calibration (Chinese: 声学 水听器校准 第2部分：低频声压场校准方法)

GB/T 44947-2024_Chinese: Condition monitoring and diagnostics of machines - Approaches for performance diagnosis (Chinese: 机器状态监测与诊断 性能诊断方法)

GB/T 23595

English versions: GB/T 45442-2025

GB/T 45498.1-2025 Chinese PDF (GB /T45498.1-2025) GB/T 44952-2024 English versions: GB/T 45402-2025GB T 45498. 1 2025_Chinese: Specifications for the social security card one card pass of the People's Republic of China Part 1: Basic specifications (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45498. 1 2025