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Patent:FR2782


Patent:FR 2782
Title:Pour une machine appelee additionneur
Date:28.12.1829
Place:Troyes
Country:France
Person:Briet, Bernard (P)
Company:
Internal Links:
Keywords:Kreisrechner
Link to the patent office:
(without guarantee)
 FR2782


Patent in:  https://books.google.nl/books?id=PUYFAAAAQAAJ&pg=PA336#v=onepage&q&f=false