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Individual
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Priority to ES0231129ApriorityCriticalpatent/ES231129A1/es
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Perfeccionamientos en la fabricación de mandrinos porta-brocas, caracterizado porque llevan en la parte superior del vástago central acoplado, una arandela con su respectivo tornillo de apriete, para quitar y corregir las holguras que por el uso y desgaste pueda sufrir el mandrino, así como para corregir el desgaste del asiento del rodamiento a bolas.
ES0231129A1956-10-021956-10-02PERFECCIONAMIENTOS EN LA FABRICACIoN DE MANDRINOS PORTABROCAS
ExpiredES231129A1
(es)