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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB840018


Patent:GB 840018
Title:Driving device for hand-operated adding and like business machines
Date:06.07.1960
Place:
Country:Great Britain
Person:
Company:C Olivetti (P) and C Societa Per Azi
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB840018


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Aus der Patentschrift GB840018