EN 60939-1:2005 Passive filter units for electromagnetic interference suppression Part 1: Generic specification Incorporating Corrigenda November 2005 and April 2009
2010EN 60939-1:2010 Passive filter units for electromagnetic interference suppression - Part 1: Generic specification
2005EN 60939-1:2005 Passive filter units for electromagnetic interference suppression Part 1: Generic specification Incorporating Corrigenda November 2005 and April 2009