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Mejoras introducidas en el objeto de la patente principal nº 221659 sobre perfeccionamientos en las superficies de cardascaracterizadas porque el tejido firmísimodel que está constituida la base de la guarniciónes un tejido homogéneoesto esun tejidotodos cuyos pliegues son idénticos y está formado por un mismo hilado de algodón tejido con la misma urdidumbre y la misma trama.
ES0250251A1959-06-191959-06-19Perfeccionamientos en las superficies de cardas
ExpiredES250251A2
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