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Patent:US2722375


Patent:US 2722375
Title:Multiplying devices for accounting machines
Date:01.11.1955
Place:Paris
Country:USA
Person:Pierre Jacques Charies Chenus
Company:Compagnie des Machines Bull SA
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2722375 (espacenet),  US2722375 (uspto)


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