UNE-EN 60404-15:2012 Magnetic materials - Part 15: Methods for the determination of the relative magnetic permeability of feebly magnetic materials (Endorsed by AENOR in January of 2013.)
2017UNE-EN 60404-15:2012/A1:2017 Magnetic materials - Part 15: Methods for the determination of the relative magnetic permeability of feebly magnetic materials (Endorsed by Asociación Española de Normalización in April of 2017.)
2013UNE-EN 60404-15:2012 Magnetic materials - Part 15: Methods for the determination of the relative magnetic permeability of feebly magnetic materials (Endorsed by AENOR in January of 2013.)