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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3836.22-2023 |
Explosive atmospheres Part 22: Protective measures for optical radiation equipment and transmission systems {译} 爆炸性环境 第22部分：光辐射设备和传输系统的保护措施 |
China National Standards Explosive atmospheres 22: |
 English PDF |
| GB/T 3836.22-2017 |
Explosive atmospheres—Part 22: Protection of equipment and transmission system using optical radiation 爆炸性环境 第22部分：光辐射设备和传输系统的保护措施 |
China National Standards Explosive atmospheres 22: |
English PDF |
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