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1-2025_Chinese: Uncut finished spectacle lenses - Part 1: Single-vision and multifocal (Chinese: 眼镜镜片 第1部分：单焦和多焦)
GB/T 21551
GB/T 19343-2025_Chinese: Quality requirement for chocolate and chocolate products
1-二氯乙烷的残留量和迁移量的测定)
2-2025_Chinese: Plastics - Impact-resistant polystyrene (PS-I)moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (Chinese: 塑料 抗冲击聚苯乙烯（PS-I）模塑和挤出材料 第2部分：试样制备和性能测定)
GB/T 17817-2024 Chinese PDF (GB /T17817-2024) GB/T 22330.6-2024 1-2025_Chinese: Uncut finished spectacle lensesGB T 17817 2024_Chinese: Determination of vitamin A in feeds High performance liquid chromatography (Chinese: A ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17817 2024
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