Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226004
Is Reference of NANP-fr#Sense
Plan de numérotation nord-américain-fr#Sense
Piano di numerazione nordamericano-it#Sense
NANP-it#Sense
North American Numbering Plan-en#Sense
NANP-en#Sense