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Patent:US1404954


Patent:US 1404954
Title:Calculating machine
Date:31.01.1922
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)
 US1404954 (espacenet),  US1404954 (uspto)


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