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Publication of ES98564YpublicationCriticalpatent/ES98564Y/es
Un retentor de hojas, caracterizado esencialmente por el hecho de que comprende una placa a situar en el dorso de conjunto de hojas, provista de dos espigas tubulares sobresalientes, insertas en taladros de las hojas, y una placa superior de retención provista de espigas macizas que se insertan a presión en las espigas tubulares, siendo esta placa superior apta para la inclusión de indicaciones, referencias, propaganda y marcas.
ES98564U1963-03-281963-03-28Retentor de hajas
ExpiredES98564Y
(es)