INTERNATIONAL INTERNATIONAL COMPETITION FOR THE SUPPLY OF A FIRST FROM THE GENERAL SHOP OF THESSALONIKI FOR THE TIME FROM 01-01-2023 TO 31-12-2024 WHERE THE OFFER WILL BE GIVEN AT ABSOLUTE PRICES AND WITH A GREATER DISCOUNT RATE ON THE ITEMS FOR WHICH THE OFFER WILL BE GIVEN WITH A FIXED DISCOUNT RATE FOR THE ENTIRE CONTRACT DURATION. (EXPIRED)