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Patent:GB1042790


Patent:GB 1042790
Title:Improvements in or relating to calculating machines
Date:14.09.1966
Place:
Country:Great Britain
Person:Lloyd, John George (P) und Kitz, Norbert (P) und Drage, James John (P)
Company:Bell Punch (P) Co Ltd
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 GB1042790


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Aus der Patentschrift GB1042790