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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB575100


Patent:GB 575100
Title:Calculating machines
Date:30.11.1942
Place:
Country:Great Britain
Person:
Company:Facit (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB575100


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Aus der Patentschrift GB575100

Addition to Patent:GB551311