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BEGIN:VCALENDAR VERSION:2.0 PRODID:KETTENWULF CALSCALE:GREGORIAN METHOD:PUBLISH BEGIN:VEVENT UID:1746006bff17134b@kettenwulf.com DTSTART:20210425 DTEND:20210428 DTSTAMP:20210119T111809 ORGANIZER;CN=:mailto: CREATED: DESCRIPTION:https://petrocem.ru/en/ LAST-MODIFIED: LOCATION:St. Petersburg\, Russland Hotel Astoria\, Stand 5.2 - 5.3 SUMMARY:11th International Cement Conference PetroCem SEQUENCE:0 TRANSP:OPAQUE END:VEVENT END:VCALENDAR