Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226004
Is Reference of Περιφερειακή Εταιρεία Εκμετάλλευσης Μπέλ (ΗΠΑ)-el#Sense
RBOC-en#Sense
(RBOC)-el#Sense
Regional Bell Operating Company (USA)-en#Sense