Judgment of the Court of 11 March 2003 in Case C-40/01 (Reference for a preliminary ruling from the Hoge Raad der Nederlanden): Ansul BV v Ajax Brandbeveiliging BV (Trade marks — Directive 89/104/EEC — Article 12(1) — Revocation of trade mark owner's rights — Concept of genuine use of a trade mark — Maintenance of goods already sold and sales of replacement parts and accessories)