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Pieza para construcciones armadas, caracterizada esencialmente por el hecho de que consta de un cuerpo tubular aplanado de naturaleza termoplástica dotado de tabiques interiores que forman una serie de celdas longitudinales, dotadas en paredes adyacentes de nervios longitudinales que constituyen guía para armaduras internas de refuerzo.
ES1972178245U1972-02-261972-02-26Pieza para construcciones armadas.
ExpiredES178245Y
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