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Respiratory Apparatuses And Protective Means
(AREA)
Abstract
Una mascarilla perfeccionada para proteger las vías respiratorias contra el polvo, caracterizada por disponer de una junta para su unión con la cara, compuesta de un asentamiento para la barbilla y una aleta extremadamente flexible a lo largo del perímetro, que es adosada a la cara por un tirante cuyos extremos están unidos a dicha aleta; estando situado el tirante transversal a una altura que coincide con el labio superior.
ES0048777U1955-06-141955-06-14Mascarilla perfeccionada para proteger las vías respiratorias contra el polvo
ExpiredES48777Y
(es)