Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 1: Group II engines for use in flammable gas and vapour atmospheres; English version of DIN EN 1834-1
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1部分:易燃气体和蒸汽环境中使用的II类发动机;德文版EN 1834-1:2000