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![]() Date: 2008-11-20 07:40:17European Terrestrial Reference System Regional Reference Frame Sub-Commission for Europe International Earth Rotation and Reference Systems Service International Terrestrial Reference System World Geodetic System Epoch Geodesy Measurement Cartography | Source URL: etrs89.ensg.ign.frDownload Document from Source WebsiteFile Size: 59,60 KBShare Document on Facebook |