
Classification of environmental conditions - Part 2-4: Environmental conditions appearing in nature - Solar radiation and temperature (IEC 60721-2-4:2018)
出版:Osterreichisches Normungsinstitut/Austrian Standards

专家解读视频
This part of IEC 60721 presents a broad division into types of solar radiation areas.
IEC 60721-2-4:2018 - Identical
EN IEC 60721-2-4:2018 - Identical
IEC 60721-2-4:2018 - Identical