Newswire brought to you by Update-Moody's Interfax affirms Russian Helicopters' Aa2.ru rating Apr 26, 2013 Russian Helicopters JSC For the full text of this story please click the following link: http://v3.moodys.com/page/viewresearchdoc.aspx?docid=PR_271711&WT.mc_id=NLTITLE_YYYYMMDD_PR_271711 Load More