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Fotothek df tg Geometrie Vermessung Vermessungsinstrument Messrute Rute. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Frankfurt Main Vermessen eines Feldes in Ruten mit Hilfe einer Messrute Papier Holzschnitt cm cm Geometrie Vermessung Vermessungsinstrument Messrute Rute ppn Druck Deutsche Fotothek gefrdert