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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2674410


Patent:US 2674410
Title:Calculator
Date:06.04.1954
Place:Bronx
Country:USA
Person:Maurice H. Bernstein
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2674410 (espacenet),  US2674410 (uspto)


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