GB/T 45431-2025 Chinese PDF (GB /T45431-2025) GB/T 45265-2025 GB/T 44979-2024_Chinese: Smart community infrastructures

GB/T 44979-2024_Chinese: Smart community infrastructures - Smart transportation for compact cities (Chinese: 智慧城市基础设施 紧凑型城市智慧交通)

English versions: GB/T 22107-2025

power supply units and combinations thereof - Part 2: Particular requirements and tests for separating transformers and power supply units incorporating separating transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第2部分：一般用途分离变压器和内装分离变压器的电源装置的特殊要求和试验)

English versions: GB/T 45521-2025

1）第2部分：信息客体规范)

GB/T 45431-2025 Chinese PDF (GB /T45431-2025) GB/T 45265-2025 GB/T 44979-2024_Chinese: Smart community infrastructuresGB T 45431 2025_Chinese: Forensic sciences Forged video and image of a person Evaluation for examination system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45431 2025