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| International Standard Category: Other non-ferrous metals and their alloys |
GB/T 24981.2-2010 Test methods of long afterglow phosphors activated by rare earths—Part 2:Determination of relative brightness
稀土长余辉荧光粉试验方法 第2部分：相对亮度的测定;
| Category No.: | 77.120.99 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2010-8-9 |
| Implemented Date: | 2011-5-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 24981.2-2020 Test methods of rare earth long afterglow phosphors—Part 2:Determination of afterglow brightness |
Superseded Date: | 2021-10-1 |
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