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GB 20943-2025 English PDF GB 45188-2024 English versions: GB/T 16263GB 20943 2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for AC DC and AC AC power supplies (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 20943 2025
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