GB/T 5169.23-2024 Chinese PDF (GB/T5169.23-2024) GB/T 29301-2024 GB/T 45306-2025_Chinese: Railway applications -

GB/T 45306-2025_Chinese: Railway applications - Power supply with onboard energy storage system for rolling stock - Series hybrid system (Chinese: 轨道交通 机车车辆车载储能供电 串联混合动力系统)

GB/T 22474-2025_Chinese: General quality for fruit and vegetable

51-2024_Chinese: Flexible display devices - Part 5-1: Measuring methods of optical performance (Chinese: 柔性显示器件 第5-1部分：光学性能测试方法)

storage and transportation system (Chinese: 粮食加工、储运系统粉尘防爆安全规范)

GB/T 35290-2023_Chinese: Information security technology - Security technical specification for radio frequency identification(RFID) systems (Chinese: 信息安全技术 射频识别（RFID）系统安全技术规范)

GB/T 5169.23-2024 Chinese PDF (GB/T5169.23-2024) GB/T 29301-2024 GB/T 45306-2025_Chinese: Railway applications -GB T 5169. 23 2024_Chinese: Fire hazard testing for electric and electronic products Part 23: Test flames 500W vertical flame test method for tubular polymeric materials (Chinese: 23 500W) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5169. 23 2024