GB/T 31486-2024 Chinese PDF (GB/T31486-2024) GB/T 14420-2024 71-2024_Chinese: Communication networks and systems

71-2024_Chinese: Communication networks and systems for power utility automation - Part 7-1: Basic communication structure - Principles and models (Chinese: 电力自动化通信网络和系统 第7-1部分：基本通信结构 原理和模型)

English versions: GB/T 19606-2024

2-2025_Chinese: Non-active surgical implants - Osteosynthesis and joint replacement implants - Part 2: Particular requirements for joint replacement implants (Chinese: 无源外科植入物 骨接合与关节置换植入器械 第2部分：关节置换植入器械特殊要求)

GB/T 45637-2025_Chinese: Electrically operated toothbrushes - Methods for measuring the performance (Chinese: 电动牙刷 性能测试方法)

GB 21342-2025_Chinese: Norm of energy consumption per unit production of coke (Chinese: 焦炭单位产品能源消耗限额)

GB/T 31486-2024 Chinese PDF (GB/T31486-2024) GB/T 14420-2024 71-2024_Chinese: Communication networks and systemsGB T 31486 2024_Chinese: Electrical performance requirements and test methods for traction battery of electric vehicle (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31486 2024