1970 - 1981
This was the starting point for the restructuring of the family business at the beginning of the 1970s, which was followed by the entry of son-in-law Michael Ketzer, master toolmaker and specialist in the...
Year: 1981
This was the starting point for the restructuring of the family business at the beginning of the 1970s, which was followed by the entry of son-in-law Michael Ketzer, master toolmaker and specialist in the...