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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US4886458


Patent:US 4886458
Title: Mechanical analog computer device
Date:12.12.1989
Place:
Country:USA
Person:Roman, Robert (P)
Company:
Internal Links:Analogrechner
Keywords:
Link to the patent office:
(without guarantee)
 US4886458 (espacenet),  US4886458 (uspto)


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