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L K V Srl
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L K V Srl
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Priority to ES9900891UpriorityCriticalpatent/ES1042756Y/en
Publication of ES1042756UpublicationCriticalpatent/ES1042756U/en
Application grantedgrantedCritical
Publication of ES1042756YpublicationCriticalpatent/ES1042756Y/en
Details Of Spanners, Wrenches, And Screw Drivers And Accessories
(AREA)
Abstract
Screw, comprising a driving head and a cane provided with an outer thread, including said driving head a cavity adapted to fit the end of a tool, characterized by the fact that such cavity includes inclined walls in a way that form a trunk of pyramid with the lower base in the background. (Machine-translation by Google Translate, not legally binding)