Kurt
Created page with "{{Patent |Office=US |Number= 2756394 |Title=Delay cables |Company=Hackethal Draht-und Kabel Werke |Inventors=Josef Sieven, Hannoyer-Keefeld, and Ernst Scheffler |Filing date=1953-07-14 |Grant date=1956-07-24 }}"
11:17
+210