Características de catálogo de las ferritas para núcleos de transformadores y bobinas de inductancia.
CATALOGUE CHARACTERISTIQUES ON FERRITES FOR TRANSFORMER AND INDUCTOR CORES
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29.030 / Magnetic materials
29.100.10 / Magnetic components
CTN 209/SC 51 - Magnetic components and ferrite materials
IEC 401:1972 (Identical)
It is cancelled by: UNE-EN 60401-3:2004