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4-2023_Chinese: Wind energy generation systems - Communication for monitoring and control of wind power plants - Part 4: Mapping to communication profile (Chinese: 风力发电机组 风力发电场监控系统通信 第4部分：映射到通信规约)
GB/T 13542
GB 20052-2024_Chinese: Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers (Chinese: 电力变压器能效限定值及能效等级)
English versions: GB/T 45511-2025
GB/T 7000.221-2023 Chinese PDF (GB/T7000.221-2023) GB/T 4706.27-2024 4-2023_Chinese: Wind energy generation systemsGB T 7000. 221 2023_Chinese: Luminaires Part 2 21: Particular requirements Rope lights (Chinese: 2 21 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7000. 221 2023
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