FAQs
IEC 60721-3-2:1985/AMD1:1991
Amendment 1 - Classification of environmental conditions. Part 3: Classification of groups of...
IEC 60721-3-1:1987/COR1:1990
Corrigendum 1 - Classification of environmental conditions - Part 3-1: Classification of groups...
IEC 60721-3-1:1987
Classification of environmental conditions. Part 3: Classification of groups of environmental...
IEC 60721-3-1:1987/AMD2:1993
Amendment 2 - Classification of environmental conditions. Part 3: Classification of groups of...
IEC 60721-3-1:1987/AMD1:1991
IEC 60721-2-3:1987
Classification of environmental conditions - Part 2: Environmental conditions appearing in...
IEC 60721-2-2:1988
Classification of environmental conditions. Part 2: Environmental conditions appearing in...
IEC 60721-2-1:1982
IEC 60721-2-1:1982/AMD1:1987
Amendment 1 - Classification of environmental conditions. Part 2: Environmental conditions...
