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Priority to ES0053907UpriorityCriticalpatent/ES53907Y/en
Publication of ES53907UpublicationCriticalpatent/ES53907U/en
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Publication of ES53907YpublicationCriticalpatent/ES53907Y/en
"A SPECIAL KEY FOR NUTS", characterized in that it consists essentially of a support and tubular handle at the same time (left), is coupled a piece at right angles to the tube and inside the said tube slides a second piece in round with the indispensable clearance for its longitudinal slip and this piece also has in its end (left) perfectly welded in front a second peak able to approach or move away from the other peak and that constitutes the movable part for the precise adjustment to the nut to work. (Machine-translation by Google Translate, not legally binding)
ES0053907U1956-04-251956-04-25
A special wrench for nuts
ExpiredES53907Y
(en)