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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US845276


Patent:US 845276
Title:Adding Machine
Date:26.02.1907
Place:
Country:USA
Person:J. Swart
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US845276 (espacenet),  US845276 (uspto)


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Aus der Patentschrift US845276