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Patent:US2238517


Patent:US 2238517
Title:Cash Register
Date:15.00.1941
Place:Dayton
Country:USA
Person:Arthur R. Colley John B. Geers
Company:NCR (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2238517 (espacenet),  US2238517 (uspto)


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