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| Chinese National Standard Category: Laser device |
| English Title: | Photobiological safety of lamps and lamp systems—Part 4: Measuring methods |
| Chinese Title: | 灯和灯系统的光生物安全 第4部分：测量方法 |
| Standard No.: | GB/T 30117.4-2023 |
| Category No.: | L51 |
| Issued by: | SAMR; SAC |
| Issued on: | 2023-11-27 |
| Implemented on: | 2024-6-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 29000 words |
| Similar Standards: |
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