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Individual
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Individual
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Priority to ES0240165ApriorityCriticalpatent/ES240165A1/es
Publication of ES240165A1publicationCriticalpatent/ES240165A1/es
Mejora en las prensas continuas de hélice, caracterizada porque la hélice presenta una ranura colectora sobre su parte exterior en comunicación con un taladro central del núcleo del husillo.
ES0240165A1958-02-151958-02-15Mejoras en las prensas continuas de helice
ExpiredES240165A1
(es)