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Patent:GB868758


Patent:GB 868758
Title:Improvements in or relating to calculating machines
Date:25.05.1961
Place:
Country:Great Britain
Person:Kitz, Norbert (P) und Milburn, Robert (P) und Webb, Christopher Frederick (P)
Company:Bell Punch (P) Co Ltd
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 GB868758


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Aus der Patentschrift GB868758