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Patent:US496562


Patent:US 496562
Title:Planimeter
Date:02.05.1893
Place:
Country:USA
Person:Goodman, John (P)
Company:
Internal Links:Planimeter, Goodman Planimeter, Schneidenplanimeter
Keywords:
Link to the patent office:
(without guarantee)
 US496562 (espacenet),  US496562 (uspto)


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Goodman Average Planimeter