Potentially explosive atmospheres - Explosion prevention and protection - Determination of minimum ignition energy of dust/air mixtures; German version EN 13821:2002— 18 стр.
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.
