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Patent:US1843648


Patent:US 1843648
Title:Adding Machine
Date:02.02.1932
Place:
Country:USA
Person:Muller, Robert (P)
Company:Burroughs (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1843648 (espacenet),  US1843648 (uspto)


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Aus der Patentschrift US1843648