ETSI EN 300 019-1-8-2002 Environmental Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-8: Classification of Environmental Conditions; Stationary Use at Underground Locations V2.1.2
2003ETSI EN 300 019-1-8:2003 Environmental Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-8: Classification of Environmental Conditions; Stationary Use at Underground Locations (V2.1.4)
2002ETSI EN 300 019-1-8:2002 Environmental Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-8: Classification of Environmental Conditions; Stationary Use at Underground Locations (V2.1.2)
2001ETSI EN 300 019-1-8:2001 Environmental Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-8: Classification of Environmental Conditions; Stationary Use at Underground Locations (V2.1.0)