
Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations
出版:European Telecommunications Standards Institute

专家解读视频
DIN EN 300019-1-4 (2004-03) - Identical
NBN EN 300 019 1-4:2003 - Identical
NF EN 300019 1-4:2003 - Identical
PN EN 300 019-1-4:2005 - Identical
NEN EN 300019-1-4:2003 - Identical
ONORM EN 300019-1-4:2003 - Identical