Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Triangular weir-en#Sense
Kolmion muotoinen mittapato-fi#Sense
V-Notch weir-en#Sense
Messwehr mit Dreiecksoeffnung-de#Sense
Açude triangular-pt#Sense
Dreieckswehr-de#Sense
Déversoir triangulaire-fr#Sense
Triangulärt överfall-sv#Sense
Vertedero triangular-es#Sense
V-vormige overlaat-nl#Sense
Τριγωνικός εκχειλιστής-el#Sense