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Die große Enzyklopädie des mechanischen Rechnens

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Patent:GB419201


Patent:GB 419201
Title:Improvements in apparatus for mechanically solving threedimensional
Date:07.11.1934
Place:
Country:Great Britain
Person:
Company:Goerz (P) Optische Anstalt Ag
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 GB419201


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Aus der Patentschrift GB419201