GB/T 4706.57-2024 Chinese PDF (GB/T4706.57-2024) GB/T 40853.2-2023 GB/T 29711-2023_Chinese: Non-destructive testing of

GB/T 29711-2023_Chinese: Non-destructive testing of welds - Ultrasonic testing - Characterization of discontinuities in welds (Chinese: 焊缝无损检测 超声检测 焊缝内部不连续的特征)

GB/T 1311-2024_Chinese: Test methods for direct current machines (Chinese: 直流电机试验方法)

3-2025_Chinese: Specifications for the social security card one-card-pass of the People’s Republic of China - Part 3: Security specifications (Chinese: 中华人民共和国社会保障卡一卡通规范 第3部分：安全规范)

GB/T 37977

GB/T 13181-2024_Chinese: Methods of performance measurement for solid scintillators (Chinese: 固体闪烁体性能测量方法)

GB/T 4706.57-2024 Chinese PDF (GB/T4706.57-2024) GB/T 40853.2-2023 GB/T 29711-2023_Chinese: Non-destructive testing ofGB T 4706. 57 2024_Chinese: Safety of household and similar electrical appliances Part 57: Particular requirements for floor treatment machines and wet scrubbing machines (Chinese: 57) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 57 2024