Case C-278/14: Judgment of the Court (Fifth Chamber) of 16 April 2015 (request for a preliminary ruling from the Curtea de Apel Alba Iulia (Romania)) — SC Enterprise Focused Solutions SRL v Spitalul Județean de Urgență Alba Iulia (Reference for a preliminary ruling — Public procurement — Supply — Technical specifications — Principles of equal treatment and of non-discrimination — Obligation of transparency — Reference to a product of a particular brand — Assessment of the equivalence of the product offered by a tenderer — Reference product no longer in production)