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DURA IBANEZ LUIS
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DURA IBANEZ LUIS
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Priority to ES0293973ApriorityCriticalpatent/ES293973A1/en
Publication of ES293973A1publicationCriticalpatent/ES293973A1/en
Device for unloading chips in deep holes, characterized by comprising a control that distributes the compressed air inside a cylinder and on both sides of its piston and at the same time distributes it in a second cylinder but on one side only. its piston. (Machine-translation by Google Translate, not legally binding)
ES0293973A1963-11-281963-11-28Device for discharge of chips in deep drills (Machine-translation by Google Translate, not legally binding)
ExpiredES293973A1
(en)