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| Chinese National Standard Category: Coal analysis methods |
| English Title: | Mechanical sampling of coal—Part 3: Determination of precision and bias test |
| Chinese Title: | 煤炭机械化采样 第3部分：精密度测定和偏倚试验 |
| Standard No.: | GB/T 19494.3-2023 |
| Category No.: | D21 |
| Issued by: | SAMR; SAC |
| Issued on: | 2023-11-27 |
| Implemented on: | 2024-3-1 |
| Status: | superseded |
| Superseded by: | GB/T 19494.3-2023/XG1-2025 Mechanical sampling of coal—Part 3: Determination of precision and bias test, includes Amendment 1 |
| Superseded on: | 2025-4-25 |
| Abolished on: | |
| Superseding: | GB/T 19494.3-2004 Mechanical sampling of coal - Part 3: Determination of precision and bias test |
| Word Count: | 22000 words |
| Similar Standards: |
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