Announcement Of The Adif-High Speed ​​Business Entity, Which Communicates The New Dates Of The Contracting Procedure Of "Supply And Assembly Of A Supporting Cable And Contact Thread For The Elimination Of Splices And The Improvement Of Mechanical Capacities In The Neutral Areas Of The L.A.V. Madrid-Segovia-Valladolid; L.A.V. Valladolid Palencia-León And L.A.V. Olmedo-Zamora-Taboadela Av ". (File: 3.24/20810.0089).