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Patent:US2750109


Patent:US 2750109
Title:Apparatus for Integrating a Variable Against Time
Date:12.06.1956
Place:
Country:USA
Person:Lewis, J. O. (P)
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US2750109 (espacenet),  US2750109 (uspto)


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Aus der Patentschrift US2750109