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Patent:US1481487


Patent:US 1481487
Title:Adding and listing machine
Date:22.01.1924
Place:
Country:USA
Person:Sundstrand, Oscar (P)
Company:Rockford Milling Machine Compa
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1481487 (espacenet),  US1481487 (uspto)


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Aus der Patentschrift US1481487