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Publication of ES206931A1publicationCriticalpatent/ES206931A1/es
Un procedimiento para la fabricación de cuerpos huecos particularmente de cuerpos huecos de paredes delgadas por medio de prensado caracterizado por el hecho de que es colocado delante del pistón de presando (5) y sobresaliente en diámetro del frente del mismo un disco (7 13 15) particularmente delgado que queda después del proceso de prensado como disco perdido en el cuerpo hueco.
ES0206931A1951-12-311952-12-23UN PROCEDIMIENTO PARA LA FABRICACIoN POR PRENSADO DE CUERPOS HUECOS, ESPECIALMENTE DE PARED DELGADA
ExpiredES206931A1
(es)