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Patent:US3116873


Patent:US 3116873
Title:Calculators
Date:07.01.1964
Place:
Country:USA
Person:Trümpelmann, Ernst
Company:Olympia (P)
Internal Links:Olympia RA-16
Keywords:
Link to the patent office:
(without guarantee)
 US3116873 (espacenet),  US3116873 (uspto)


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Aus der Patentschrift US3116873