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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2319106


Patent:US 2319106
Title:Electrical calculating machine
Date:11.05.1943
Place:
Country:USA
Person:Lord Blackburn Charles
Company:Electrical Improvements Ltd
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2319106 (espacenet),  US2319106 (uspto)


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Aus der Patentschrift US2319106