Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6826
Is Reference of Elektronenstrahlröhre-de#Sense
Tubo de feixe eletrónico-pt#Sense
Electron beam valve-en#Sense
Elektronstrålerör-sv#Sense
Tube à faisceau électronique-fr#Sense
Λυχνία δέσμης ηλεκτρονίων-el#Sense
Elektronisuihkuputki-fi#Sense
Tubo de haz electrónico-es#Sense
Elektronstrålerør-da#Sense