Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226
Is Reference of Radiotelegrafi-sv#Sense
Radiotelegraphy-en#Sense
Radiotelegrafie-nl#Sense
Radiotélégraphie-fr#Sense
Funktelegrafie-de#Sense
Radiotelegrafia-it#Sense
Radiotelegrafía-es#Sense
Radiotelegrafia-pt#Sense
Radiosähkötys-fi#Sense
Ραδιοτηλεγραφία-el#Sense
Radiotelegrafo-it#Sense
Radiotelegrafi-da#Sense