1975: Development of Göpfert SRE Boxmaker The Göpfert SRE Boxmaker was developed. Small series therefore became more economical to produce than ever before. This was a milestone, and this machine was installed over 450 times over the next 35 years. The designer was Karl F. Göpfert. 3022021-10-20T14:36:20+02:0020.10.2021|