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Die große Enzyklopädie des mechanischen Rechnens

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Patent:FR518964


Patent:FR 518964
Title:Machine à calculer
Date:14.01.1921
Place:
Country:France
Person:
Company:Optische Anstalt C.P. Goerz (P) AG
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 FR518964


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