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Patent:GB310362


Patent:GB 310362
Title:Combination of a calculating machine for all four rules with a card perforating machine
Date:26.09.1929
Place:
Country:Great Britain
Person:
Company:Rheinmetall (P) (Rheinische Metallwaaren und Maschinenfabrik)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB310362


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Aus der Patentschrift GB310362