Solid biofuels - Determination of content of heavy extraneous materials larger than 3,15 mm (ISO 19743:2017); German version EN ISO 19743:2017— 12 стр.
Explosive atmospheres - Part 38: Equipment and components in explosive atmospheres in underground mines (ISO/IEC 80079-38:2016); German version EN ISO/IEC 80079-38:2016— 70 стр.