BEGIN:VCALENDAR
PRODID:-//AT Content Types//AT Event//EN
VERSION:2.0
METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20251224T050758Z
CREATED:20121119T071850Z
UID:ATEvent-4839fd5c-b348-406e-863c-a6fddcb4cde9
LAST-MODIFIED:20121119T071853Z
SUMMARY:lab seminar
DTSTART:20121116T013000Z
DTEND:20121116T040000Z
DESCRIPTION:by Haiwang
CLASS:PUBLIC
END:VEVENT
END:VCALENDAR