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Patent:US1380792


Patent:US 1380792
Title:Calculating machine
Date:07.06.1921
Place:Chicago und New York
Country:USA
Person:Goldberg, Hyman Eli (P)
Company:Remington (P) Accounting Machine Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US1380792 (espacenet),  US1380792 (uspto)


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