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Patent:US1030305


Patent:US 1030305
Title:Apparatus for use in Tabulating Systems
Date:25.06.1912
Place:
Country:USA
Person:Hollerith, Hermann (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1030305 (espacenet),  US1030305 (uspto)


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Aus der Patentschrift US1030305