BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20191029T000000Z DTEND:20191029T000000Z SUMMARY:IYPT 2019 Celebrating the Periodic Table and Atomic Spectroscopy: Standard registration deadline due before 29th October 2019 LOCATION:The 新月直播app下载,London,United Kingdom END:VEVENT END:VCALENDAR