Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226004
Is Reference of Μέσο τηλεπικοινωνίας' τηλεπικοινωνιακό μέσο-el#Sense
Means of telecommunication-en#Sense
Fernmeldeeinrichtungen-de#Sense