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IEC 60721-2-4:1987/AMD1:1988 ed1.0

Заменен
Amendment 1 - Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Solar radiation and temperature — 9 стр.
IEC 60721-2-4:1987/AMD1:1988 ed1.0
Заменен
IEC 60721-2-4:2018 ed2.0
Действует