IEC 60079-31 Ed. 3.0 b Cor.1:2023
IEC 60079-31 Ed. 3.0 b Cor.1:2023 Corrigendum 1 to Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure "t"
Amendment byInternational Electrotechnical Commission , 10/01/2023
Amendment byInternational Electrotechnical Commission , 10/01/2023