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.
2015
2024
1977
2019
1975
2018
1963
2013
2020
1961
2014
1997
2021
2022
1989
1996
2017
1964