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Patent:US2861740


Patent:US 2861740
Title:Electronic adding device
Date:25.11.1958
Place:
Country:USA
Person:Charles Chenus Pierre Jacques
Company:Bull Sa Machines
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2861740 (espacenet),  US2861740 (uspto)


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Aus der Patentschrift US2861740