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screws, bolts, nuts and similar articles, threaded, of copper (other than screw hooks, ring- and eyebolts, lag screws, plugs, bungs and the like, with screw thread)
parafusos; pinos ou pernos, porcas e artefactos semelhantes, roscados, de cobre (expt. ganchos roscados, rebites, chavetas, cavilhas, contrapinos ou troços, anilhas [arruelas], incluídas as de pressão e artefactos semelhantes, roscados)