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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB680546


Patent:GB 680546
Title:Improvements in or relating to electrical calculating machines
Date:08.10.1952
Place:
Country:Great Britain
Person:Hitch, Frederick Alexander Nige (P)
Company:Nat Res Dev
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB680546


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Aus der Patentschrift GB680546