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Argos II adding machine
Автор: Stephen Freeborn
Загружено: 2023-03-22
Просмотров: 1172
Описание:
The D.R.P. and U.S.P. on the back likely stand for “Deutsches Reichspatent,” and “US Patent,” (thanks Jaap) but I could not find Behr’s elusive German patents. Plus the US patents he has aren’t anything like this machine.
Behr image source: Rechnerlixikon
Greif ad image source: source: Rechnerlixikon
S&N image source: wikipedia
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