IATE-1241974

Subject Field	unknown
Is Reference of	Perforación de la primera fase-es#Sense
	Perforación-es#Sense
	Puf-da#Sense
	Προφύσημα-el#Sense
	Puffen-nl#Sense
	Esipuhallus-fi#Sense
	Vorblasen-de#Sense
	Förblåsning-sv#Sense
	Soplado de retorno-es#Sense
	Primeiro sopro-pt#Sense
	Puffing-en#Sense
	Presoffiatura-it#Sense
	Perçage-fr#Sense
	Perfuração-pt#Sense
	Puffen-de#Sense
	Preblowing-en#Sense
	Voorblazen-nl#Sense
	First blow-en#Sense
	First puff-en#Sense
	Contrasoplado-es#Sense
	Soplado previo-es#Sense