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Patent:USRE12748


Patent:US RE12748
Title:Computing-machine
Date:04.02.1908
Place:Cleveland, Ohio, USA
Country:USA
Person:Dennis, A.S. (P)
Company:Calculus Company (P)
Internal Links:Patent:US842138
Keywords:
Link to the patent office:
(without guarantee)
 USRE12748 (espacenet),  USRE12748 (uspto)


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