TRADE|marketing|preparation for market #548975 IATE #1176799 athrú substaintiúil ar an struchtúr iomaíoch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex ga wesentliche Änderung der Wettbewerbsstrukturde substantial alteration of the competitive structureen changement substantiel de la structure de concurrencefr