LST ETS 300 019-1-7 Leid.1-2005 Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-7: Classification of environmental conditions; Portable and non-stationary use
2005LST ETS 300 019-1-7 Leid.1-2005 Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-7: Classification of environmental conditions; Portable and non-stationary use