| Abbreviation | Designation | |
|---|---|---|
| ISO | International Organization for Standardization | organization |
| UIC | Union internationale des chemins de fer (France) International Union of Railways (IUR) | organization |
| Abbreviation | Designation | |
|---|---|---|
| ISO | International Organization for Standardization | organization |
| UIC | Union internationale des chemins de fer (France) International Union of Railways (IUR) | organization |