Announcement Of A Tender With An Open Process For The Provision Of Dismantling-Manufacturing And Assembling Services Of Pipelines And Their Accessories In Durable Networks Of One (1) B/B In Glafkos In Ns, Through The Conclusion Of An Agreement-Framework Duration Of Two (2) Years With A Total Estimated Value Of Nine Hundred Thousand Euro (€900,000.00), Including Reservations And Exempt Vat, Whichever Of The Two Limits (Time Or Amount) Comes First