BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20181031T000000Z DTEND:20181031T000000Z SUMMARY:International Petroleum and Petrochemical Technology Conference & Exhibition 2019: Poster abstract deadline due before 31st October 2018 LOCATION:New China International Exhibition Center,Beijing,China END:VEVENT END:VCALENDAR