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Patent:US844120


Patent:US 844120
Title:Calculating machine
Date:12.02.1907
Place:New York
Country:USA
Person:Goldfarb, Nathan (P)
Company:Commercial Adding Machine Co.
Internal Links:Triumph Adding Machine
Keywords:Band, endlos, Addition
Link to the patent office:
(without guarantee)
 US844120 (espacenet),  US844120 (uspto)

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