Spain – Architectural, engineering and planning services – Drafting service of the construction project for the comprehensive renewal of track in the Zudigarai, San Esteban, Bizkarre and Txikierdi tunnels in the Aia-Usurbil section
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Contract Description
Drafting service of the construction project for the comprehensive renewal of track in the Zudigarai, San Esteban, Bizkarre and Txikierdi tunnels in the Aia-Usurbil section