CEN/TC 180
| Project No. | prEN 621 rev |
|---|---|
| Title | Same as EN 621:2009 + efficiency (to be confirmed) |
| Registration number (WIID) | 39428 |
| Scope | Same as EN 621:2009 + efficiency (to be confirmed) |
| Status | Izstrādē |
| ICS group | 97.100.20 |
| Project No. | prEN 621 rev |
|---|---|
| Title | Same as EN 621:2009 + efficiency (to be confirmed) |
| Registration number (WIID) | 39428 |
| Scope | Same as EN 621:2009 + efficiency (to be confirmed) |
| Status | Izstrādē |
| ICS group | 97.100.20 |