NEN-EN-IEC 60721-3-4:2019 en现行
Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations
出版：Netherlands Standards
专家解读视频
基本信息
标准编号： NEN-EN-IEC 60721-3-4:2019 en
标准类别：Standard
出版单位：Netherlands Standards
标准页数：0
标准简介
NEN-EN-IEC 60721-3-4 classifies groups of environmental parameters and their severities to which products are subjected when installed for stationary use at non-weatherprotected locations.
等同采用的国际标准
IEC 60721-3-4 : 2019 - Identical
EN IEC 60721-3-4:2019 - Identical
IEC 60721-3-4 : 2019 - Identical
