Case C-514/06 P: Judgment of the Court (First Chamber) of 18 September 2008 — Armacell Enterprise GmbH v Office for Harmonisation in the Internal Market (Trade Marks and Designs), nmc SA (Appeal — Community trade mark — Application for the Community word mark ARMAFOAM — Earlier Community trade mark NOMAFOAM — Relative ground for refusal — Similarity of the signs — Existence of a relative ground for refusal in part of the European Community)