Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6826
Is Reference of Plan de masse-fr#Sense
Ground plane-en#Sense
Horizontale Projektionsebene-de#Sense
Plano de tierra-es#Sense
Πλάκα γείωσης-el#Sense
Plano de masa-es#Sense
Plano de massa-pt#Sense
Masseplatte-de#Sense
Jordplan-sv#Sense
Piano di terra-it#Sense
Stelplade-da#Sense
Piano di massa-it#Sense