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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2242908


Patent:US 2242908
Title:Adding and recording machine
Date:20.05.1941
Place:
Country:USA
Person:Garbell, Max (P)
Company:Victor (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2242908 (espacenet),  US2242908 (uspto)


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Aus der Patentschrift US2242908