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.
1989
1974
1953
1967
1985
1955
2004
2007
1898
2010
1998
1969
2024
2019
2021
2015
2023