| |||
| fator de eficiência no tempo; rendimento temporal | |||
|
time efficiency factor : 2 phrases in 2 subjects |
| Communications | 1 |
| Telegraphy | 1 |
| |||
| fator de eficiência no tempo; rendimento temporal | |||
|
time efficiency factor : 2 phrases in 2 subjects |
| Communications | 1 |
| Telegraphy | 1 |