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
MOD EN 1834-2:2000
全国防爆电气设备标准化技术委员会
GB 20800的本部分规定了存在甲烷和（或）可燃性粉尘的地下矿区巷道用Ⅰ类M2级往复压燃式发动机(以下简称内燃机)的安全要求和（或）安全措施，用于消除或限制内燃机可能产生的各种危险和危害。
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