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.
1978
2016
1972
2010
1995
2022
2020
1956
1982
1997
2004
2024
1974
2011
2013
2015
1896
1965