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.
2013
1971
1996
2018
2017
1961
1922
1965
1955
1983
1962
2023
2020
2012
1980
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1989
2016
2022