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English versions: GB 11984-2024
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)
English versions: GB/T 22180-2024
English versions: GB 26386-2025
GB/T 18376
GB/T 21270-2025 Chinese PDF (GB /T21270-2025) GB/T 20972.3-2025 English versions: GB 11984-2024GB T 21270 2025_Chinese: General quality for food filling (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21270 2025
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