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; English version of DIN EN 1834-2
往复式内燃机.潜在爆炸性环境中使用的发动机设计和制造的安全要求.第2部分:易受沼气和/或可燃性粉尘影响的地下工作场所使用的I组发动机;德文版EN 1834-2:2000