2020DIN EN ISO/IEC 80079-34:2020-06 Explosive atmospheres - Part 34: Application of quality systems for ex product manufacture (ISO/IEC 80079-34:2018); German version EN ISO/IEC 80079-34:2020
2020DIN EN ISO/IEC 80079-34:2020 Explosive atmospheres - Part 34: Application of quality systems for ex product manufacture (ISO/IEC 80079-34:2018)
2017DIN EN ISO/IEC 80079-34:2017 Explosive atmospheres - Part 34: Application of quality systems for Ex product manufacture (ISO/IEC 80079-34:2017); German and English version prEN ISO/IEC 80079-34:2017
2012DIN EN ISO/IEC 80079-34:2012 Explosive atmospheres - Part 34: Application of quality systems for equipment manufacture (ISO/IEC 80079-34:2011, modified); German version EN ISO/IEC 80079-34:2011