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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US1923078


Patent:US 1923078
Title:Adding machine ribbon mechanism
Date:22.08.1933
Place:
Country:USA
Person:Coxhead, Ralph (P), Norton, Charles (P)
Company:Brunsviga (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1923078 (espacenet),  US1923078 (uspto)


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Aus der Patentschrift US1923078