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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB747712


Patent:GB 747712
Title:Improvements in digital calculating machines
Date:11.04.1956
Place:
Country:Great Britain
Person:Barrow, James Edward (P)
Company:Elliott Brothers London Ltd
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB747712


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Aus der Patentschrift GB747712