EN 300 019-1-4 : 2.2.1现行
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
Describes a class of environmental conditions and their severities to which equipment may be exposed. Only severe conditions, which may be harmful to the equipment, are included.
DS EN 300019-1-4 : 2003 - Identical
NEN EN 300019-1-4 : 2003 - Identical
DIN EN 300019-1-4 : 2016 - Identical
PN EN 300 019-1-4 : 2014 - Identical
NBN EN 300 019 1-4 : 2014 - Identical
NF EN 300019 1-4 : 2014 - Identical
