DIN IEC 60721-3-4 (1989-10)被替代
Electrical Engineering; Classification Of Environmental Conditions; Classification Of Groups Of Environmental Parameters And Their Severities; Stationary Use At Non-weatherprotected Locations
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
基本信息
标准编号： DIN IEC 60721-3-4 (1989-10)
发布时间：1989/10/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
Classifies groups of environmental parameters and their severities to which a product may be exposed under its use conditions, including periods of erection work, downtime, maintenance and repair, when mounted for stationary use at locations which are non-weatherprotected.
替代本标准的新标准
等同采用的国际标准
HD 478.3.4:1989 - Identical
