File:VEB Carl Zeiss Jena. Haupteingang, Verwaltungsgebauede, DDR May 1990.jpg - Wikimedia Commons
GDR / Economy / Industry / Thuringia / 11.5.1990 VEB Carl Zeiss Jena. At that time 26,000 employees, leaving about 2200. successors including Jenoptik. Photo: Measuring instruments factory. Final assembly of measuring
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