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.
1997
1960
2002
1943
2018
2024
2017
2016
2023
1978
2004
1987
2014
2010
1969
2021
2015
1899