EN 1834-2:2000
往复式内燃机.潜在爆炸性环境用发动机设计和结构的安全要求.第2部分:对瓦斯和可燃灰尘敏感的井下作业区用I组发动机
Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 2: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust