PUBLISHED
IEC 60721-3-3:2019 ED3
PROJECT
IEC 60721-3-3/AMD1 ED3
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Jun 5, 2026
Amendment 1 - Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
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