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Individual
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Individual
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Priority to ES0240165ApriorityCriticalpatent/ES240165A1/en
Publication of ES240165A1publicationCriticalpatent/ES240165A1/en
Improvement in the continuous propeller presses, characterized in that the propeller has a collector groove on its outer part in communication with a central hole in the spindle core. (Machine-translation by Google Translate, not legally binding)
ES0240165A1958-02-151958-02-15Improvements in the continuous presses of helix (Machine-translation by Google Translate, not legally binding)
ExpiredES240165A1
(en)