Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226004
Is Reference of Élément optique répéteur-fr#Sense
Optisk repeater-element-da#Sense
Optisch regenerator-onderdeel-nl#Sense
Optisches Verstärkerelement-de#Sense
Elemento di ripetizione ottica-it#Sense
Optical repeater element-en#Sense