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Patent:GB420721


Patent:GB 420721
Title:Improvements in and relating to typewriting-calculating machines
Date:06.12.1934
Place:
Country:Great Britain
Person:
Company:Mercedes (P) Büromaschinen Werke
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB420721


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Aus der Patentschrift GB420721