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.
1896
2016
2018
1923
1965
1895
2013
2015
2022
1953
1968
2020
2014
1912
1978
1969
1971