CEN/TC 55
| Project No. | LVS EN 21797:1989 |
|---|---|
| Title | Mutual understanding and communication. Interface. Safety. Performance. |
| Registration number (WIID) | 1314 |
| Scope | Mutual understanding and communication. Interface. Safety. Performance. |
| Status | Atcelts |
| ICS group | 11.060.20 |