Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6621002
Is Reference of Veredeltes Kernmaterial-de#Sense
Materia nucleare migliorata-it#Sense
Matière nucléaire améliorée-fr#Sense
Verbeterd kerntechnisch materiaal-nl#Sense
Improved nuclear material-en#Sense