DIN EN 60721-3-4/A1:1997-07
Отменен
Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; section 4: Stationary use at non-weatherprotected locations; Amendment A1 (IEC 60721-3-4:1995/A1:1996); German version EN 60721-3-4:1995/A1:1997
— 6 стр.
