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Barras nervadas de acero perfeccionadas, caracterizadas por presentar la sección normal del núcleo de forma elíptica, desfasada 90º con la anterior y la sección normal a los nervios oblicuos de perfil redondeado.
ES1971166299U1971-02-201971-02-20Barras nervadas de acero perfeccionadas.
ExpiredES166299Y
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