Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Corriente de semionda-es#Sense
Ημικυματόμορφο ρεύμα-el#Sense
Half-wave current-en#Sense
Courant de demi-alternance-fr#Sense
Corrente semi-alternata-it#Sense
Corrente de meia onda-pt#Sense
Halbwellenstrom-de#Sense
Halve-golfstroom-nl#Sense