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| Chinese National Standard Category: Other non-metal ore |
| English Title: | Diamond—Testing and classification |
| Chinese Title: | 钻石 鉴定与分类 |
| Standard No.: | GB/T 45611-2025 |
| Category No.: | D59 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-04-25 |
| Implemented on: | 2025-8-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 31000 words |
| Similar Standards: |
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