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English versions: GB/T 18882
GB/T 17350-2024_Chinese: Classification
24-2025_Chinese: Methods for chemical analysis of magnesium and magnesium alloys - Part 24: Determination of trace impurity elements contents - Glow discharge mass spectrometry (Chinese: 镁及镁合金化学分析方法 第24部分：痕量杂质元素的测定 辉光放电质谱法)
GB/T 42968
GB/T 43590.507-2025 Chinese PDF (GB /T43590.507-2025) GB/T 17435-2025 English versions: GB/T 18882GB T 43590. 507 2025_Chinese: Laser display devices Part 5 7: Measuring methods of image quality affected by speckle for scanning laser displays (Chinese: 5 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43590. 507 2025
