| |||
| segnale D'R | |||
|
D 'R : 22 phrases in 11 subjects |
| Astronomy | 1 |
| Coal | 3 |
| Communications | 3 |
| General | 3 |
| Law | 3 |
| Marketing | 2 |
| Materials science | 1 |
| Natural sciences | 2 |
| Patents | 1 |
| Research and development | 2 |
| Taxes | 1 |
| |||
| segnale D'R | |||
|
D 'R : 22 phrases in 11 subjects |
| Astronomy | 1 |
| Coal | 3 |
| Communications | 3 |
| General | 3 |
| Law | 3 |
| Marketing | 2 |
| Materials science | 1 |
| Natural sciences | 2 |
| Patents | 1 |
| Research and development | 2 |
| Taxes | 1 |