BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20231220T000000Z DTEND:20231220T000000Z SUMMARY:Next Generation Materials for Solar Photovoltaics 2024: Poster abstract deadline due before 20th December 2023 LOCATION:The 新月直播app下载,London,United Kingdom END:VEVENT END:VCALENDAR