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.
2005
2017
2022
1921
1987
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2023
1909
2003
2010
1975
2019
1935
1937
1938
2020
1920
1941