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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US1256234


Patent:US 1256234
Title:Mechanism for Integrating Power Current Values
Date:12.02.1918
Place:
Country:USA
Person:F. R. Innes
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US1256234 (espacenet),  US1256234 (uspto)


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Aus der Patentschrift US1256234