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Patent:US2856125


Patent:US 2856125
Title:Bi-directional tabulating mechanism
Date:14.10.1958
Place:Farmington, CT und Manchester, CT und East Hartford, CT und New York
Country:USA
Person:William J. Hildebrandt Richard W. Yerks Vincent A. Malatesta
Company:Underwood (P) Corp.
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Link to the patent office:
(without guarantee)
 US2856125 (espacenet),  US2856125 (uspto)


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