IATE-136971

Instance of: http://www.w3.org/2004/02/skos/core#Concept

Subject Field	Subject Field/68
Is Reference of	Λείος σωλήνας-el#Sense
	Tubo liso-pt#Sense
	Glat rør-da#Sense
	Gladde buis-nl#Sense
	Tubos lisos-es#Sense
	Tube lisse-fr#Sense
	Smooth pipe-en#Sense