PN-EN IEC 60721-3-4:2019-10现行
Classification of environmental conditions - Part 3-4: Classification of groups of environmental factors and their severity - Stationary use of products in places not protected from the effects of weather conditions
出版：Polish Committee for Standardization
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基本信息
标准编号： PN-EN IEC 60721-3-4:2019-10
发布时间：2019/10/1 0:00:00
标准类别：Standard
出版单位：Polish Committee for Standardization
标准页数：0
本标准替代的旧标准
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
