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Priority to ES99145UpriorityCriticalpatent/ES99145Y/en
Publication of ES99145UpublicationCriticalpatent/ES99145U/en
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Publication of ES99145YpublicationCriticalpatent/ES99145Y/en
Automatic ejector of brecas, characterized by having provided on the main shaft carrying bits, an axial hole in which a rod is inserted whose lower end is on the cones of the drill bits, in order to hit on them and eject them to the to submit to the axis to an axial movement of elevation. (Machine-translation by Google Translate, not legally binding)
ES99145U1963-04-291963-04-29
Automatic bit ejector
ExpiredES99145Y
(en)