55 — Tubes, pipes, iron and steel castings and forgings
| Código | Descripción |
|---|---|
| 551 | Tubes, pipes and fittings |
| 552 | Iron and steel castings and forgings |
Rúbrica de la agregación NSTR agregada anglès a la cual pertenece
13 Metal products
| Código | Descripción |
|---|---|
| 551 | Tubes, pipes and fittings |
| 552 | Iron and steel castings and forgings |
13 Metal products