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Berrojalbiz Mendicute Alfonso
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Berrojalbiz Mendicute Alfonso
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Priority to ES1967128771UpriorityCriticalpatent/ES128771Y/en
Publication of ES128771UpublicationCriticalpatent/ES128771U/en
Application grantedgrantedCritical
Publication of ES128771YpublicationCriticalpatent/ES128771Y/en
Improved lag screw, essentially characterized in that the lag screw itself comprises a head of irregular shape, which receives a complementary head, being inseparably joined by injection, the outer head having a substantially ogival structure, there being symmetrical profiles, whose edges are coincident at the apex common, its purpose being to facilitate the application and extraction, when staying in the hood of the screwdriver, to which end it has a void with the same grooved arrangement (Machine-translation by Google Translate, not legally binding)
A special key for the assembly of structures composed of profiles provided with holes in their wings (Machine-translation by Google Translate, not legally binding)