GB/T 45407-2025 Chinese PDF (GB /T45407-2025) GB/T 31968-2025 GB/T 45258-2025_Chinese: Telecom and internet

GB/T 45258-2025_Chinese: Telecom and internet network services - Assessment guideline (Chinese: 电信和互联网服务 评估指南)

GB/T 45390-2025_Chinese: Communication interface requirements for power lithium battery production equipment (Chinese: 动力锂电池生产设备通信接口要求)

GB/T 44888-2024_Chinese: Guideline for intelligent construction of administrative service hall (Chinese: 政务服务大厅智能化建设指南)

GB/T 20236-2025_Chinese: Accelerated outdoor weathering test methods for nonmetallic materials using concentrated natural sunlight (Chinese: 非金属材料的聚光加速户外暴露试验方法)

English versions: GB 31648-2025

GB/T 45407-2025 Chinese PDF (GB /T45407-2025) GB/T 31968-2025 GB/T 45258-2025_Chinese: Telecom and internetGB T 45407 2025_Chinese: Information technology Cyberspace map (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45407 2025