BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID: news-87778@www.chem.uoa.gr DTSTAMP:20260210T120630Z DTSTART:20260216T100000 DTEND:20260608T120000 SUMMARY:Σεμινάρια Εαρινού Εξαμήνου 2025-2026 END:VEVENT END:VCALENDAR