Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Stemvork-nl#Sense
Ressonador de flexão-pt#Sense
Flektionsresonator-da#Sense
Misuratore elettronico della frequenza di risonanza-it#Sense
Biegeschwinger-de#Sense
Frequency oscillator-en#Sense
Συντονιστής κάμψης-el#Sense
Resonador de flexión-es#Sense
Résonateur de flexion-fr#Sense