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Patent:US1731701


Patent:US 1731701
Title:Overdraft and signal printing mechanism for calculating machines
Date:15.10.1929
Place:
Country:USA
Person:Bernau, Frederick (P)
Company:Ellis (P) Adding Typewriter Compan
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1731701 (espacenet),  US1731701 (uspto)


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Aus der Patentschrift US1731701