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Patent:US842232


Patent:US 842232
Title:Adding Machine
Date:29.01.1907
Place:
Country:USA
Person:McFarland, Charles Numan (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US842232 (espacenet),  US842232 (uspto)


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Aus der Patentschrift US842232