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Patent:US1400363


Patent:US 1400363
Title:Computing Machine
Date:13.12.1921
Place:
Country:USA
Person:M. B. And V. C. Kennedy
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1400363 (espacenet),  US1400363 (uspto)


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Aus der Patentschrift US1400363