Equipment Engineering (EE); environmental conditions and environmental tests for telecommunications equipment; part 1-1: classification of environmental conditions; storage; english version ETS 300019-1-1:1992
Equipment Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-0: Specification of environmental tests, introduction; English version ETS 300019-2-0:1994
Corrigendum 1 - Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations— 0 стр.