Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Intervalle des impulsions-fr#Sense
Pulspause-da#Sense
Impulspause-de#Sense
Pulse interval-en#Sense
Pulsinterval-nl#Sense
Tauko-fi#Sense
Taukoaika-fi#Sense
Intervalo dos impulsos-pt#Sense