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3-2024_Chinese: Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors (Chinese: 低压电气装置 第5-54部分：电气设备的选择和安装 接地配置和保护导体)
English versions: GB/T 23263-2024
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 38031-2025
English versions: GB/T 22249-2024
GB/T 18916.8-2025 Chinese PDF (GB /T18916.8-2025) GB/T 22180-2024 3-2024_Chinese: Low-voltage electrical installations -GB T 18916. 8 2025_Chinese: Norm of water intake for industry Part 8: Synthetic ammonia (Chinese: 8) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18916. 8 2025
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