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.
1965
—
1978
1949
2024
1991
1927
2018
2020
1996
2001
1993
2012
1901
1979
2021
2004
2003