UNE-EN ISO/IEC 80079-38:2016/A1:2018 Explosive atmospheres - Part 38: Equipment and components in explosive atmospheres in underground mines (ISO/IEC 80079-38:2016) (Endorsed by Asociación Española de Normalización in October of 2018.)
2018UNE-EN ISO/IEC 80079-38:2016/A1:2018 Explosive atmospheres - Part 38: Equipment and components in explosive atmospheres in underground mines (ISO/IEC 80079-38:2016) (Endorsed by Asociación Española de Normalización in October of 2018.)
2018UNE-EN ISO/IEC 80079-38:2016 Explosive atmospheres - Part 38: Equipment and components in explosive atmospheres in underground mines (ISO/IEC 80079-38:2016) (Endorsed by Asociación Española de Normalización in October of 2018.)