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Mejoras introducidas en la fabricación de aparatos productores de aire a presión, caracterizadas porque son dotados de una base, sobre la cual se asientan en posición vertical dos cilindros tangentes, unidos por un cordón de soldadura, y en un punto más avanzado con respecto al punto de unión de dichos cilindros, otro cilindro de menor diámetro.
ES0236168A1957-06-191957-06-19Mejoras introducidas en la fabricaciën de aparatos productores de airea presion
ExpiredES236168A3
(es)