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Patent:US2271249


Patent:US 2271249
Title:Multiplying and accounting machine
Date:27.01.1942
Place:Bloomfield, NJ
Country:USA
Person:Bryce, James (P) George F. Daly
Company:IBM (P)
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Keywords:
Link to the patent office:
(without guarantee)
 US2271249 (espacenet),  US2271249 (uspto)


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