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GB/T 1480-2025_Chinese: Metallic powders - Determination of particle size by dry sieving (Chinese: 金属粉末 干筛分法测定粒度)
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 15561-2024
English versions: GB/T 15237-2025
English versions: GB 23394-2024
GB/T 15268-2024 Chinese PDF (GB /T15268-2024) GB 20943-2025 GB/T 1480-2025_Chinese: Metallic powders -GB T 15268 2024_Chinese: Mulberry silkworm fresh cocoons (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15268 2024
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