2023IEC 60721-2-6:2022/COR1:2023 Corrigendum 1 - Classification of environmental conditions - Part 2-6: Environmental conditions appearing in nature - Earthquake vibration and shock
2022IEC 60721-2-6:2022 Classification of environmental conditions — Part 2-6: Environmental conditions appearing in nature — Earthquake vibration and shock
1990IEC 60721-2-6:1990 Classification of environmental conditions; part 2: environmental conditions appearing in nature; earthquake vibration and shock