CONSULTANCY AND ASSISTANCE FOR THE CONTROL OF THE WORKS OF THE PROJECT FOR THE CONSTRUCTION OF ACOUSTIC PROTECTIONS OF THE VITORIA-BILBAO-SAN SEBASTIÁN HIGH-SPEED LINE. SECTION: BERGARA-IRÚN
CONSULTANCY AND ASSISTANCE FOR THE CONTROL OF THE WORKS OF THE PROJECT FOR THE CONSTRUCTION OF ACOUSTIC PROTECTIONS OF THE VITORIA-BILBAO-SAN SEBASTIÁN HIGH-SPEED LINE. SECTION: BERGARA-IRÚN