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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US104368


Patent:US 104368
Title:Improvement in log-measuring scale
Date:14.06.1870
Place:Lowell, MA
Country:USA
Person:Luther Smith James A. Pevey
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US104368 (espacenet),  US104368 (uspto)


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