Suministro de Tuberýa de Acero al Carbono de Diferentes Diýmetros, con o sin costura, Especificaciýn API 5L X-52 y ASTM A 53, Extremos Biselados para el Activo Integral Poza Rica-Altamira y Activo Integral Burgos para la Construcciýn y Sustituciýn de Ductos de Lýnea de Descarga

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