Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Gas etching-en#Sense
Ataque superficial por gases-pt#Sense
Irruvidimento-it#Sense
Ataque superficial por gases-es#Sense
Kaasusyöpymä-fi#Sense
Χάραξη μετάλλου από αέρια-el#Sense
Aufrauhung-de#Sense
Opruning-da#Sense