 |
| |||
| Übermittlung von Informationen per Computer | |||
|
communication of information by computer : 2 do fraz, 1 tematyki |
| Patenty | 2 |
|
| |||
| Übermittlung von Informationen per Computer | |||
|
communication of information by computer : 2 do fraz, 1 tematyki |
| Patenty | 2 |