 |
| |||
| three-electrode tube; three-electrode valve | |||
| triode; triode valve | |||
| |||
| triods | |||
|
Triode : 28 do fraz, 3 tematyki |
| Anteny i falowody | 12 |
| Elektronika | 1 |
| Technika i technologia | 15 |
|
| |||
| three-electrode tube; three-electrode valve | |||
| triode; triode valve | |||
| |||
| triods | |||
|
Triode : 28 do fraz, 3 tematyki |
| Anteny i falowody | 12 |
| Elektronika | 1 |
| Technika i technologia | 15 |