https://www.schaeffler.it/it/news-media/biblioteca-digitale/downloadcenter-detail-page.jsp?id=78620736 2017-08-29T10:45:08+00:00 https://www.schaeffler.it/it/news-media/biblioteca-digitale/downloadcenter-detail-page.jsp?id=87448771 2019-11-28T09:46:08+00:00