Electrical engineering ; classification of environmental conditions ; part 2 : environmental conditions appearing in nature ; precipitation and wind ; identical with iec 60721 - 2 - 2 : 1988 电气工程.环境条件分类.第2部分:自然环境条件.第2节
Classification of environmental conditions - classification of groups of environmental parameters and their severities - portable and non - stationary use 环境条件分类.第3部分:环境参数组分类及其严酷程度分级.第7节:便携式和不固定使用
Classification of environmental conditions . part 3 : classification of groups of environmental parameters and their severities . introduction . ship environment 环境条件分类.第3部分:环境参数组分类及其严酷程度分级.第6节:制造船舶所需环境
Equipment engineering . environmental conditions and environmental tests for telecommunication equipment . part 1 - 1 : classification of environmental conditions . storage 设备工程.电信设备的环境条件和环境试验.第1 - 1部分:环境条件分类.储藏
Equipment engineering . environmental conditions and environmental tests for telecommunication equipment . part 1 - 2 : classification of environmental conditions . transport 设备工程.通讯工程的环境条件和环境试验.第1 - 2部分:环境条件分类.运输
Classification of environmental conditions - part 3 - 7 : classification of groups of environmental parameters and their severities ; portable and non - stationary use 环境条件分类.第3 - 7部分:环境参数组及其严酷程度的分类分级.便携式和非固定使用
Classification of environmental conditions ; part 3 : classification of groups of environmental parameters and their severities ; section 9 : microclimates inside products 环境条件分类.第3部分:环境参数组及其严酷程度分类.第9节:产品内的小气候
Classification of environmental conditions - part 3 : classification of groups of environmental parameters and their severities - section 9 : microclimates inside products 环境条件分类.第3部分:环境参数组及其严酷程度分类.第9节:产品内的微气候
Classification of environmental conditions . part 3 : classification of groups of environmental parameters and their severities . section 5 : ground vehicle installations 环境条件分类.第3部分:环境参数及其恶劣程度的成组分类.第5节:地面车辆设备
Electrical engineering ; classification of environmental conditions ; environmental conditions appearing in nature ; temperature and humidity ; identical with iec 60721 - 2 - 1 : 1982 status of 1987 电气工程.环境条件分类.第2部分:自然环境条件.第1节
