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Patent:US2281742


Patent:US 2281742
Title:Adding Machine
Date:05.05.1942
Place:
Country:USA
Person:Bradt, Charles (P)
Company:Smith and Corona (P) Typewriters
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2281742 (espacenet),  US2281742 (uspto)


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Aus der Patentschrift US2281742