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Construction of Vitoria-Eibar highway tunnel, Bergara South – Arrasate North section.webmaster2024-04-29T11:27:05+00:00
Construction of viaducts for high-speed line connecting Martutene-Hospitaleswebmaster2024-04-29T11:25:56+00:00
Construction of a tunnel for the Olite-Tafalla section of the high-speed railway line.webmaster2024-04-29T11:23:35+00:00
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