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
2002
1980
2021
2006
1965
1986
1987
2005
2017
2004
1894
1931
2016
2024
2003
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