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Individual
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Individual
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Priority to ES0029998UpriorityCriticalpatent/ES29998Y/en
Publication of ES29998UpublicationCriticalpatent/ES29998U/en
Application grantedgrantedCritical
Publication of ES29998YpublicationCriticalpatent/ES29998Y/en
It is claimed by a "New drill-holder" characterized in that the drill holder is held in the machine, with a simple upward movement, of the ring provided, the nozzle, with its corresponding drill bit, is inserted in it, enough with releasing said ring, so that the drill is fastened. (Machine-translation by Google Translate, not legally binding)