China Phosphors—Part 4-2: GB Standards Search Result |
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GB/T 24981.2-2020 Test methods of rare earth long afterglow phosphors—Part 2: Determination of afterglow brightness 稀土长余辉荧光粉试验方法 第2部分：余辉亮度的测定 - 英文版 |
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GB/T 5838.42-2015 Phosphors—Part 4-2: Phosphors for indicator tubes 荧光粉 第4-2部分：指示管用荧光粉 - 英文版 |
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