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GB/T 15470.2-2025 Chinese PDF (GB /T15470.2-2025) GB/T 17591-2025 2-2025_Chinese: Assembled spectacles - Part
GB/T 15470.2-2025 Chinese PDF (GB /T15470.2-2025) GB/T 17591-2025 2-2025_Chinese: Assembled spectacles - Part
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Description
2-2025_Chinese: Assembled spectacles - Part 2: Power-variation prescription assembled spectacles (Chinese: 配装眼镜 第2部分：渐变焦定配眼镜)
English versions: GB/T 18375-2024
GB/T 18964
GB/T 19701
GB/T 15470.2-2025 Chinese PDF (GB /T15470.2-2025) GB/T 17591-2025 2-2025_Chinese: Assembled spectacles - PartGB T 15470. 2 2025_Chinese: Household electric direct acting room heaters Methods for measuring performance Part 2: Additional provisions for the measurement of the radiant factor (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15470. 2 2025
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