
Specification for plastic films for electrical purposes - Part 2: Methods of test (IEC 60674-2:2016/A1:2019)
出版:National Standards Authority of Ireland

专家解读视频
EN 60674-2 : 2017 COR 2018 - Identical
EN 60674-2 : 2017/A1 : 2019 - Identical
EN 60674-2 : 2017 COR 2018 - Identical
IEC 60674-2:2016/AMD1:2019 - Identical