BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID: news-37528@en.eds.uoa.gr DTSTAMP:20221130T202144Z DTSTART:20221205T144600 DTEND:20221205T140000 SUMMARY:SUSTAINABLE CHEMISTRY CONCEPTS FOR CLOSING CIRCULAR ECONOMY LOOPS END:VEVENT END:VCALENDAR