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Priority to ES0005496UpriorityCriticalpatent/ES5496Y/en
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Management, Administration, Business Operations System, And Electronic Commerce
(AREA)
Rotary Pumps
(AREA)
Farming Of Fish And Shellfish
(AREA)
Abstract
Calculating device of the circular functions constituted by a circle quadrant of a suitable matter and divided in centesimal sexagesimal degrees or in thousandths of artillery with inverted numerations to appreciate complements. (Machine-translation by Google Translate, not legally binding)
ES0005496U1940-03-021940-03-02
Calculating apparatus for circular functions.
ExpiredES5496Y
(en)