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Patent:US1819067


Patent:US 1819067
Title:Overdraft and signal printing mechanism for calculating machines
Date:18.08.1931
Place:
Country:USA
Person:Bernau, Frederick (P)
Company:Ellis (P) Adding Typewriter Compan
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1819067 (espacenet),  US1819067 (uspto)


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Aus der Patentschrift US1819067