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GB/T 45239-2025 Chinese PDF (GB /T45239-2025)

GB/T 45239-2025 Chinese PDF (GB /T45239-2025)

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GB/T 45239-2025_Chinese: Evaluation methods of nocturnal blue light radiation hazards (Chinese: 夜间蓝光辐射危害的评价方法)
Note/Careful: Text of PDF is in Chinese (not English).
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English versions: GB/T 45239-2025
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