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Patent:GB353877


Patent:GB 353877
Title:Improvements in or relating to calculating machines, adding and listing machines, accounting machines and similar machines
Date:28.07.1931
Place:
Country:Great Britain
Person:
Company:Ellis (P) Adding Typewriter Compan
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB353877


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Aus der Patentschrift GB353877