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Priority to ES0308336ApriorityCriticalpatent/ES308336A1/en
Publication of ES308336A1publicationCriticalpatent/ES308336A1/en
IMPROVEMENTS IN THE BANK SCREW JAWS, characterized by the assembly of the jaws on a central stem that serves as a guide to the movement of separation and approach of the same, whose central stem is included in a central body as a clamp, open at a point on its periphery and equipped with a rod with an action handle to increase or decrease its diameter at will, and allow the set of jaws to rotate 360º in order to facilitate work on the piece in question. (Machine-translation by Google Translate, not legally binding)
ES0308336A1965-01-191965-01-19Improvements in bank screw jaws. (Machine-translation by Google Translate, not legally binding)
ExpiredES308336A1
(en)