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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2365325


Patent:US 2365325
Title:Clutch Mechanism for Calculating Machines
Date:19.12.1944
Place:
Country:USA
Person:Avery, Harold (P)
Company:Marchant (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2365325 (espacenet),  US2365325 (uspto)


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Aus der Patentschrift US2365325