ETSI EN 300 019-1-4-2003 Environmental Engineering (EE); Environmental conditions and evironmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations V2.1.2
2014ETSI EN 300 019-1-4-2014 Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations (V2.2.1)
2013ETSI EN 300 019-1-4:2013 Environmental Engineering (EE); Environmental conditions and evironmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations (V2.1.8)
2003ETSI EN 300 019-1-4:2003 Environmental Engineering (EE); Environmental conditions and evironmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations (V2.1.1)
2002ETSI EN 300 019-1-4:2002 Environmental Engineering (EE); Environmental conditions and evironmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations (V2.1.1)