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
Explosive atmospheres - Part 20-2: Material characteristics - Combustible dusts test methods (ISO/IEC 80079-20-2:2016); German version EN ISO/IEC 80079-20-2:2016— 53 стр.
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— 97 стр.