| |||
| facsímil de contraste; facsímil negro sobre blanco | |||
| telecopia bivalente; telecopia contrastada | |||
|
document facsimile : 11 phrases in 3 subjects |
| Communications | 3 |
| Information technology | 1 |
| Telegraphy | 7 |
| |||
| facsímil de contraste; facsímil negro sobre blanco | |||
| telecopia bivalente; telecopia contrastada | |||
|
document facsimile : 11 phrases in 3 subjects |
| Communications | 3 |
| Information technology | 1 |
| Telegraphy | 7 |