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Patent:US2618769


Patent:US 2618769
Title:Speed Regulation for Integrators for Logs
Date:18.11.1952
Place:
Country:USA
Person:Österman, E. M.
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US2618769 (espacenet),  US2618769 (uspto)


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Aus der Patentschrift US2618769