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MUSTAAD Y CIA O
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MUSTAAD Y CIA O
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Priority to ES0052675UpriorityCriticalpatent/ES52675U/es
Publication of ES52675UpublicationCriticalpatent/ES52675U/es
Un clavo roscado, caracterizado por que la rosca no se inicia en punta aguda, sino que la punta del clavo queda sin roscar y a continuación los filetes de rosca son todos del mismo diámetro, de manera que un corte realizado por el eje longitudinal del clavo da una sucesión no creciente de elementos a modo de conos truncados de bases inclinadas.