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Patent:US3181786


Patent:US 3181786
Title:Calculating Machine With Control of Decimal Places
Date:04.05.1965
Place:
Country:USA
Person:Canevari
Company:Friden (P)
Internal Links:very detailed, 4-function printing calculator with decimal point
Keywords:
Link to the patent office:
(without guarantee)
 US3181786 (espacenet),  US3181786 (uspto)


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