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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB925163


Patent:GB 925163
Title:Improvements in or relating to calculating machines
Date:01.05.1963
Place:
Country:Great Britain
Person:Kitz, Norbert (P)
Company:Bell Punch (P) Co Ltd
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB925163


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Aus der Patentschrift GB925163