GB/T 17737.119-2024 Chinese PDF (GB/T17737.119-2024) GB/T 45490-2025 power supply units and combinations

power supply units and combinations thereof - Part 5: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第5部分：一般用途隔离变压器和内装隔离变压器的电源装置的特殊要求和试验)

English versions: YY/T 1284-2024

GB/T 45168-2024_Chinese: Determination of chromium picolinate in health foods (Chinese: 保健食品中吡啶甲酸铬的测定)

10-2025_Chinese: Instrument transformers - Part 10: Additional requirements for low-power passive current transformers (Chinese: 互感器 第10部分：低功率无源电流互感器的补充技术要求)

GB/T 44891-2024_Chinese: Specifications for the data service platform construction of the unified social credit identifier for legal entities and other organizations (Chinese: 法人和其他组织统一社会信用代码数据服务平台建设规范)

GB/T 17737.119-2024 Chinese PDF (GB/T17737.119-2024) GB/T 45490-2025 power supply units and combinationsGB T 17737. 119 2024_Chinese: Coaxial communication cables Part 1 119: Electrical test methods RF power for coaxial cables and cable assemblies (Chinese: 1 119 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17737. 119 2024