Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Filtro di modo a fessura-it#Sense
Schlitz-Wellenfilter-de#Sense
Filtre de mode à fente-fr#Sense
Sleuffilter-nl#Sense
Schlitzblende-de#Sense
Mode filter slot-en#Sense
Filtro de modo en ranura-es#Sense