Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Διάγραμμα φάσεων-el#Sense
Diagramme des signaux lumineux-fr#Sense
Signaldiagram-da#Sense
Signalväxlingsschema-sv#Sense
Phasing diagram-en#Sense
Signaldiagramm-de#Sense
Vaihekaavio-fi#Sense
Signaaldiagram-nl#Sense