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.
1978
1994
2017
2024
1966
1982
1990
2022
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1900
2001
2009
2007
2011
2010
1962
2016
2019
2014
1942