BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID:news-1580@www.agit.de DTSTAMP:20230316T124639 DTSTART:20230330T100000 DTEND:20230330T100000 SUMMARY:Patentsprechtag in Düren END:VEVENT END:VCALENDAR