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Patent:GB146273


Patent:GB 146273
Title:Improvements in and relating to keyboard setting mechanism for adding-machines
Date:24.10.1921
Place:
Country:Great Britain
Person:
Company:Optische Anstalt C. P. Goerz (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB146273


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Aus der Patentschrift GB146273