2015DIN EN 60079-26:2015 Explosive atmospheres - Part 26: Equipment with Equipment Protection Level (EPL) Ga (IEC 60079-26:2014); German version EN 60079-26:2015
2007DIN EN 60079-26:2007 Explosive atmospheres - Part 26: Equipment with equipment protection level (EPL) Ga (IEC 60079-26:2006); German version EN 60079-26:2007