class B
| modulation
| class B | |
| transp. mil., grnd.forc. | κλάση B |
| modulation | |
| commun. | τηλεγραφική διαμόρφωση |
| |||
| κλάση B | |||
|
class B : 11 phrases in 6 subjects |
| Communications | 1 |
| Electronics | 2 |
| Health care | 1 |
| Medical | 2 |
| Microsoft | 1 |
| Transport | 4 |