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4-2025_Chinese: Test methods of rare earth phosphors for LED - Part 4: Determination of high temperature and high humidity property (Chinese: LED用稀土荧光粉试验方法 第4部分：高温高湿性能的测定)
GB/T 45162
GB 45673-2025_Chinese: General specification for safety production standardization of hazardous chemical enterprises (Chinese: 危险化学品企业安全生产标准化通用规范)
9-2025_Chinese: Rules for agricultural seed testing - Part 9: Sowing quality - Viability test (Chinese: 农作物种子检验规程 第9部分：播种质量 生活力测定)
GB/T 45020-2024 Chinese PDF (GB /T45020-2024) GB/T 38205.1-2025 4-2025_Chinese: Test methods of rareGB T 45020 2024_Chinese: Methods for chemical analysis of niobium hafnium alloys Determination of trace impurity elements content Inductively coupled plasma mass spectrometry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45020 2024
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