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ESPARZA FRANCES ANSELMO
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ESPARZA FRANCES ANSELMO
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Priority to ES0254781ApriorityCriticalpatent/ES254781A1/es
Publication of ES254781A1publicationCriticalpatent/ES254781A1/es
Mejoras en la construcción de máquinas para roscar tubos, caracterizadas porque en un extremo del eje principal de al máquina, va enchavetado el dispositivo de amordazamiento del tubo a roscar, y, en el otro extremo, el dispositivo que solo centra a dicho tubo; paralelo a cuyo eje va dispuesto un tubo de apoyo del mango de la terraja, de modo que ésta actúa fija sobre el extremo del tubo a roscar, que sobresale del lado exterior del plato de sujeción.
ES0254781A1960-01-051960-01-05Mejoras en la construcciën de maquinas para roscar tubos
ExpiredES254781A1
(es)