PUBLISHED
IEC 60721-3-4:2019 ED3
PUBLISHED
IEC 60721-3-4:2019/COR1:2023 ED3
60.60
Standard published
Jul 24, 2023
Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations
40.60 Close of voting