Case C-631/23,Servoprax (Medical tourniquets): Judgment of the Court (Sixth Chamber) of 20 November 2025 (request for a preliminary ruling from the Finanzgericht Düsseldorf – Germany) – Servoprax GmbH v Hauptzollamt Duisburg (Reference for a preliminary ruling – Customs union – Regulation (EEC) No 2658/87 – Tariff classification – Common Customs Tariff – Combined Nomenclature – Classification under subheading 90189084 – Tourniquets – Regulation (EU) No 952/2013 – Delegated Regulation (EU) 2015/2446 – Second sentence of Article 252 – Validity)