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Individual
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Individual
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Priority to ES0235775ApriorityCriticalpatent/ES235775A1/en
Publication of ES235775A1publicationCriticalpatent/ES235775A1/en
Mechanical system for obtaining compressed bars, characterized by the use of two or more endless screws, housed in cylindrical chambers in communication and provided with turning movement to drive the material that is introduced into one of the cylindrical chambers by a hopper orifice . (Machine-translation by Google Translate, not legally binding)
ES0235775A1957-05-291957-05-29A mechanical system for obtaining compressed bars (Machine-translation by Google Translate, not legally binding)
ExpiredES235775A1
(en)