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.
2022
1990
2016
2025
2018
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1925
1969
2020
1896
1934
2009
2023
1995
1975
2006
2019