Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Trapezformet tværsnit-da#Sense
Secção trapezoidal-pt#Sense
Trapezoidal section-en#Sense
Trapeziumvormige dwarsdoorsnede-nl#Sense
Trapezfoermiger Querschnitt-de#Sense
Sezione trapezoidale-it#Sense
Τραπεζοειδής διατομή-el#Sense
Section trapézoïdale-fr#Sense
Sección trapezoidal-es#Sense