Hiring Of The Supervision Service For The Technical Card Of Execution Of Vulnerable Sets Of The Pañe Sumbay Channel, In Sections 40+620 To 41+395 To 41+455 To 41+830 - Contracting Of The Supervision Service For The Execution Of The Technical Card Of Vulnerable Section Maintenance Of The Pañe Sumbay Channel, In Sections 40+620 To 41+395 And 41+45 41+830