Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2011
Is Reference of Aimants permanents, magnétisés ou non-fr#Sense
Électro-aimants-fr#Sense
Electro-magnets-en#Sense
Permanent magnets and articles of special materials for permanent magnets, being blanks of such magnets-en#Sense