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Patent:US1433083


Patent:US 1433083
Title:Computing Instrument
Date:24.10.1922
Place:Ogden, Utah
Country:USA
Person:Le Roi J. Leishmann
Company:
Internal Links:Analogrechner
Keywords:
Link to the patent office:
(without guarantee)
 US1433083 (espacenet),  US1433083 (uspto)


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Aus der Patentschrift US1433083