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Patent:US1080245


Patent:US 1080245
Title:Calculating Machine
Date:02.12.1913
Place:
Country:USA
Person:Baldwin, Frank Stephen (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1080245 (espacenet),  US1080245 (uspto)


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Aus der Patentschrift US1080245