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MARTIN MONFORTE FELIX
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MARTIN MONFORTE FELIX
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Priority to ES0016011UpriorityCriticalpatent/ES16011Y/es
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Publication of ES16011YpublicationCriticalpatent/ES16011Y/es
Una broca expansible, caracterizada por una espiga en cuyo entreno lleva una punta roscada que se introduce en la madera al imprimir movimiento giratorio, a la vez que sirve de eje y guía a las brocas.