DIN EN 1834-3:2000
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3部分:可燃灰尘环境用II组发动机
Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 3: Group II engines for use in flammable dust atmospheres; German version EN 1834-3:2000