Amendment 1 - Classification of environmental conditions - Part 1: Environmental parameters and their severities
修改件1.环境条件分类.第1部分:环境参数及其严重程度

1992-12-15

환경 조건의 분류 — 제2-1부: 자연 환경의 조건 — 온도와 습도
环境条件分类 - 第2-1部分:自然界中出现的环境条件 - 温度和湿度

2019-12-30

Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and humidity
环境条件分类 - 第2-1部分:自然界中出现的环境条件 - 温度和湿度

2013-06-25

환경 조건의 분류 — 제2-1부: 자연 환경의 조건 — 온도와 습도
环境条件分类第2-1部分:自然界出现的环境条件温度和湿度

2019-12-30

Amendment 2 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment
修正案2——环境条件分类 第3部分:环境参数组及其严重程度的分类 船舶环境

1996-11-08

Amendment 1 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment
修改件1——环境条件分类 第3部分:环境参数组及其严重程度的分类 船舶环境

1991-07-03

Equipment Engineering - Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-2: Classification of Environmental Conditions Transportation
设备工程——电信设备的环境条件和环境试验；第1-2部分:运输环境条件分类

1992-02-01

Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-2: Classification of environmental conditions; Transportation
设备工程；电信设备的环境条件和环境试验；第1-2部分:环境条件分类；运输

1992-02-01

Amendment 1 - Equipment Engineering - Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-3: Classification of Environmental Conditions Stationary Use at Weatherprotected Locations
修改件1——设备工程——电信设备的环境条件和环境试验；第1-3部分:气候保护场所固定使用的环境条件分类

1997-06-01

Amendment 1 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 7: Portable and non-stationary use
修改件1.环境条件分类.第3部分:环境参数组及其严重程度的分类.第7节:便携式和非固定使用

1996-11-08

Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and Humidity (IEC 60721-2-1:2013); German version EN 60721-2-1:2014
环境条件分类.第2-1部分:自然界出现的环境条件.温度和湿度（IEC 60721-2-1-2013）；德文版EN 60721-2-1:2014

2015-10-01

Amendment 1 - Classification of environmental conditions - Part 4-6: Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Ship environment
修改件1.环境条件分类.第4-6部分:IEC 60721-3的环境条件等级与IEC 60068的环境试验的相关性和转换指南.船舶环境

2003-05-22

Amendment 1 - Classification of environmental conditions - Part 4-5: Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Ground vehicle installations
修改件1.环境条件分类.第4-5部分:IEC 60721-3的环境条件等级与IEC 60068的环境试验的相关性和转换指南.地面车辆安装

2003-05-22

Amendment 1 - Classification of environment conditions - Part 4-7: Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 - Portable and non-stationary use
修改件1.环境条件分类.第4-7部分:IEC 60721-3环境条件等级与IEC 60068环境试验的相关性和转换指南.便携式和非固定使用

2003-05-20

Refrigerating systems and heat pumps — Safety and environmental requirements — Part 1: Definitions, classification and selection criteria — Amendment 2: Update of Annex A and the refrigerant tables
更新附件A和制冷剂表

2021-01-29