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Individual
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Priority to ES0169170ApriorityCriticalpatent/ES169170A2/es
Publication of ES169170A2publicationCriticalpatent/ES169170A2/es
Mejoras introducidas en el objeto de la patente principal nº 169.166 caracterizada porque la excentricidad de la guía para la herramienta no sea mayor o solo un poco mayor que el diámetro nominal de la rosca que se ha de producir.
ES0169170A1945-03-091945-03-09Mejoras introducidas con el objeto de la patente
ExpiredES169170A2
(es)