GENEVA (Reuters) – The European Union largely won a case against Colombia over import duties applied to frozen fries from Belgium, Germany and the Netherlands in an appeals system that delivered its first ruling on Wednesday. The dispute is symbolically important, especially for Belgium, which says it invented the “French” fry. Three arbitrators accepted one of Colombia’s challenges in its appeal, but upheld three findings of an earlier World Trade Organization (WTO) panel and concluded that Colombia should bring its duties into line with global trade rules. The WTO panel in October mainly bac…