IATE-1379673

Subject Field	unknown
Is Reference of	Opera di protezione-it#Sense
	Opera di difesa-it#Sense
	Oeververdedigingswerken-nl#Sense
	Beschuttingswerken-nl#Sense
	Obra de protección-es#Sense
	Obra de defensa-es#Sense
	Προστατευτικό έργο-el#Sense
	Έργο προστασίας-el#Sense
	Ouvrage de défense-fr#Sense
	Difesa foranea-it#Sense
	Work of defence-en#Sense
	Ouvrage de protection-fr#Sense
	Work of protection-en#Sense