
Boxes And Enclosures For Electrical Accessories For Household And Similar Fixed Electrical Installations - Part 21: Particular Requirements For Boxes And Enclosures With Provision For Suspension Means
出版:Asociacion Espanola de Normalizacion

专家解读视频
2008 [08/10/2008]
IEC 60670-21 : 1.1 - Identical
EN 60670-21 : 2007 - Identical
IEC 60670-21 : 1.1 - Identical
IEC 60670-21 Ed. 1.0 - Identical