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ORTIZ DE URBINA E ITURBE VALENTIN
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ORTIZ DE URBINA E ITURBE VALENTIN
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Martillo horadador eléctrico caracterizado porque el martillo en la parte superior del porta-herramientas se le coloca un rodamiento yendo en la parte infe-rior del mencionado porta-herramientas otro rodamientos y por último un tercero en el retenedor cuyo rodamiento actúa como retenedor propiamente dicho y guia de apoyo quedando asi reducido el golpeo y consiguiéndose eliminar completamente el desgaste de la pieza porta-herramientas.