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.
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2022
1963
1993
2010
2023
2004
1933
2001
1995
2016
2021
1964
1954
1972
2019
2013