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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3836.23-2017 |
Explosive atmospheres—Part 23：Group I，category EPL Ma equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust 爆炸性环境 第23部分：用于瓦斯和/或煤尘环境的I类EPL Ma级设备 |
China National Standards firedamp |
 English PDF |
| GB/T 7957-2017 |
General requirements for construction，performance and explosion protected testing of caplights for use in mines susceptible to firedamp 瓦斯环境用矿灯结构、性能和防爆试验通用要求 |
China National Standards firedamp |
English PDF |
| GB 7957.2-2009 |
Caplights for use in mines susceptible to firedamp - Part 2: Performance and other safety-related matters 瓦斯环境用矿灯 第2部分：性能和其它相关安全事项 |
China National Standards firedamp |
English PDF |
| GB 20800.3-2008 |
General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres - Part 3: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust 爆炸性环境用往复式内燃机防爆技术通则 第3部分：存在甲烷和（或）可燃性粉尘的地下矿区巷道用I类内燃机 |
China National Standards firedamp |
English PDF |
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