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Patent:US3263916


Patent:US 3263916
Title:Function Control Apparatus for Calculators
Date:02.08.1966
Place:
Country:USA
Person:Baldus et al
Company:Olympia (P)
Internal Links:control keys on keyboard for various functions
Keywords:
Link to the patent office:
(without guarantee)
 US3263916 (espacenet),  US3263916 (uspto)


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Aus der Patentschrift US3263916