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IEC 60721-3-3:1987 ed1.0

Заменен
Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations — 69 стр.
Corrigendum 1 - Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations — 0 стр.