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.
2021
2015
1962
1960
1950
1891
2023
1977
2024
2022
1963
1958
1964
2020
2018
2006
1969
1937
1904