9371131 — Investigaciones y estudios de astronomía
Descendants
This heading has no descendants because it belongs to the most detailed level of the classification.
| Code | Description |
|---|---|
| 9371131 | Investigacions i estudis d'astronomia |
This heading has no descendants because it belongs to the most detailed level of the classification.
| Code | Description |
|---|---|
| 9371131 | Investigacions i estudis d'astronomia |