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| Chinese National Standard Category: Laser device |
| English Title: | Safety of laser products―Part 4: Laser guards |
| Chinese Title: | 激光产品的安全第4部分：激光防护屏 |
| Standard No.: | GB/T 7247.4-2025 |
| Category No.: | L51 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-02-28 |
| Implemented on: | 2025-9-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 7247.4-2016 Safety of laser products - Part 4: Laser shields |
| Word Count: | 31000 words |
| Similar Standards: |
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