Natural gas distribution and water, sewage and other systems IBSP
Classification structure
| Code | Title |
|---|---|
| 221ANatural gas distribution and water, sewage and other systems | Natural gas distribution and water, sewage and other systems |
- Date modified:
| Code | Title |
|---|---|
| 221ANatural gas distribution and water, sewage and other systems | Natural gas distribution and water, sewage and other systems |