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PERPERE HENRI
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PERPERE HENRI
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Perfeccionamientos en bastidores para pantallas de proyección, caracterizándose por ser curvados y porque los elementos orientados en la dirección en que la pantalla ha de recibir una curvatura, están constituidos por medio de segmentos articulados entre sí y susceptibles de colocarse y fijarse en posiciones angulares relativas correspondientes a la curvatura a comunicar a la pantalla.
ES0217006A1953-10-301954-08-17Perfeccionamientos en bastidores para pantallas de proyeccion
ExpiredES217006A1
(es)