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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2294199


Patent:US 2294199
Title:Calculating Instrument
Date:25.08.1942
Place:
Country:USA
Person:G. H. Morse
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2294199 (espacenet),  US2294199 (uspto)


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Aus der Patentschrift US2294199