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2-2023_Chinese: Graphical symbols for use on electrical equipment - Part 2: Graphical symbols (Chinese: 电气设备用图形符号 第2部分：图形符号)
English versions: GB/T 45523
8-2022_Chinese: Information technology - Biometrics used with mobile devices - Part 8: Presentation attack detection (Chinese: 信息技术 移动设备生物特征识别 第8部分：呈现攻击检测)
1-2024_Chinese: Variable-frequency drive above 1 kV and not exceeding 35 kV - Part 1: Technical conditions (Chinese: 1 kV以上不超过35 kV的通用变频调速设备 第1部分：技术条件)
GB/T 4894-2024 Chinese PDF (GB/T4894-2024) GB/T 45637-2025 2-2023_Chinese: Graphical symbols for useGB T 4894 2024_Chinese: Information and documentation Foundation and vocabulary (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4894 2024
