 |
| |||
| photoelectric valve; photovalve | |||
| photoelectric tube; photoemissive cell; photosensitive tube; phototube | |||
| tubo fotoelettrico: 1 a las frases, 1 temas |
| Antenas y guías de onda. | 1 |
|
| |||
| photoelectric valve; photovalve | |||
| photoelectric tube; photoemissive cell; photosensitive tube; phototube | |||
| tubo fotoelettrico: 1 a las frases, 1 temas |
| Antenas y guías de onda. | 1 |