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Perfeccionamientos introducidos en las prensas hidráulicascaracterizadas porque sobre la bancada-superficie de trabajo de la prensay partiendo del plato central se han dispuesto cuatro guías en sentido radialcon lo cual se aumenta la capacidad de trabajo para cuatro operarios.
ES0246308A1958-12-311958-12-31Perfeccionamientos introducidos en las prensas hidraulicas.
ExpiredES246308A2
(es)