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Patent:US2450121


Patent:US 2450121
Title:Accounting machine
Date:28.09.1948
Place:Dayton
Country:USA
Person:Christian, Raymond A. (P) Jesse R. Ganger William L. Paden
Company:NCR (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2450121 (espacenet),  US2450121 (uspto)


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