NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN 60721-3-4 [Withdrawn] references following documents:

Document number Edition Title
EN 60721-3-0 1993-07 Classification of environmental conditions; part 3: classification of groups of environmental parameters and their severities; introduction (IEC 60721-3-0:1984 + A1:1987) More 
IEC 60721-1 1990-12 Classification of environmental conditions; part 1: environmental parameters and their severities More