 |
| |||
| positive picture signal | |||
| positive signal | |||
|
signal positif : 3 do fraz, 2 tematyki |
| Komputery | 2 |
| Radiokomunikacja i radiotechnika | 1 |
|
| |||
| positive picture signal | |||
| positive signal | |||
|
signal positif : 3 do fraz, 2 tematyki |
| Komputery | 2 |
| Radiokomunikacja i radiotechnika | 1 |