[Ausbürgerungskartei DNB (Part1)] 134578836 - Helmut Wolfgang Schumann

  • Document ID: 134578836
  • Document Collection: 7-5-27 Deutsche Nationalbibliothek
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Discussion Question

Asked by @herbstkatze

https://www.ushmm.org/online/hsv/person_view.php?PersonId=13033393

Erfinder/Founder
https://patents.google.com/patent/US2532823A/en