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VEROUCHA JADJIBARBA LEONIDAS
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VEROUCHA JADJIBARBA LEONIDAS
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Application filed by VEROUCHA JADJIBARBA LEONIDASfiledCriticalVEROUCHA JADJIBARBA LEONIDAS
Priority to ES0015479UpriorityCriticalpatent/ES15479Y/en
Publication of ES15479UpublicationCriticalpatent/ES15479U/en
Application grantedgrantedCritical
Publication of ES15479YpublicationCriticalpatent/ES15479Y/en
By "double slot screw", characterized in that it has a double cross-shaped groove in the head, and with a countersunk hole, thus achieving to avoid easy deterioration of the groove, because the new screw receives equally on the four fronts , which makes the crosshead, the pressure of the screwdriver. (Machine-translation by Google Translate, not legally binding)