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.
1992
2017
1999
1986
1985
2022
2019
2002
1967
1968
1994
1995
1997
1965
2001
1996
2006
