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Patent:US1517424


Patent:US 1517424
Title:Computing machine
Date:02.12.1924
Place:New Britain, CT und New York
Country:USA
Person:Hart, Frederick (P)
Company:Remington (P) Accounting Machine Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US1517424 (espacenet),  US1517424 (uspto)


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