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.
1938
2015
2025
2024
2002
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1960
1959
1987
1964
1950
2018
2021
2017
2023
2019
1953