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.
1962
1985
1980
1974
1997
1967
2024
1898
1953
1895
2021
1958
2013
1989
2015
1964
2001
2002