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Priority to ES0261139ApriorityCriticalpatent/ES261139A1/en
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Slow perfections of high pressure rotary pumps, characterized in that they consist essentially of a rotor divided into three equal factors of 100 grams each, passing axially through a cylindrical shaft that prints a rotation movement on itself in a single direction. (Machine-translation by Google Translate, not legally binding)
ES0261139A1960-09-201960-09-20Improvements in high pressure rotary pumps (Machine-translation by Google Translate, not legally binding)
ExpiredES261139A1
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