Presentation of the economic upswing in the GDR, emphasizing the discovery of the process for the production of high-temperature lignite coke and the commissioning of the Lauchhammer large-scale coking plant.
2012
2019
1983
2024
2004
1967
2010
1951
2017
1999
2016
2020
1980
2013
1987
2011
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1925