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.
2017
1974
1950
2023
1966
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2024
2015
1959
1998
1970
1962
2020
1961
1994
1968
2019