ÖVE/ÖNORM EN 300019-1-4 V2.2.1:2014-07
Действует
Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 1-4: Classification of environmental conditions - Stationary use at non-weatherprotected locations (ETSI EN 300 019-1-4 V2.2.1 (2014-04))