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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3836.17-2019 |
Explosive atmospheres—Part 17: Equipment protection by pressurized room “p”and artifically ventilated room “v” 爆炸性环境 第17部分：由正压房间“p”和人工通风房间“v”保护的设备 |
China National Standards Explosive atmospheres—Part 7: |
 English PDF |
| GB/T 3836.7-2017 |
Explosive atmospheres—Part 7: Equipment protection by powder filling “q” 爆炸性环境 第7部分：由充砂型“q”保护的设备 |
China National Standards Explosive atmospheres—Part 7: |
English PDF |
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