Announcement Of An Open Online Tender For The Supply Of Consumable Medical Material For The Department Of Structural Heart Diseases Of The Naval Hospital Of Athens (Nna), Against An Estimated Value Of Seven Hundred Seventy-Five Thousand (775,000.00) Euros (Whichever Of The Two (2) Comes First), Through A Contract Agreement Time Frame One (01) Year (Including Reservations, Excluding Vat). (EXPIRED)