IEC 60721-3-7/AMD2:1993 Classification of environmental conditions; part 3: classification of groups of environmental parameters and their severities; portable and non-stationary use; amendment 2
2002IEC 60721-3-7:2002 Classification of environmental conditions - Part 3-7: Classification of groups of environmental parameters and their severities - Portable and non-stationary use
2002IEC 60721-3-7:1995/AMD1:1996 Classification of environmental conditions - Part 3-7: Classification of groups of environmental parameters and their severities - Portable and non-stationary use
1995IEC 60721-3-7:1995 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 7: Portable and non-stationary use
1993IEC 60721-3-7/AMD2:1993 Classification of environmental conditions; part 3: classification of groups of environmental parameters and their severities; portable and non-stationary use; amendment 2
IEC 60721-3-7/AMD2:1993 Classification of environmental conditions; part 3: classification of groups of environmental parameters and their severities; portable and non-stationary use; amendment 2 was changed to IEC 60721-3-7:1995 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 7: Portable and non-stationary use.