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Fotokatode
| Photokatode
| Fotokatode | |
| meas.inst. | photocathode; photoelectric cathode |
| Photokatode | |
| phys. | photocathode; photoelectric cathode; photoemissive cathode; photosensitive cathode |
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| photocathode; photoelectric cathode | |||
| Fotokatode: 5 phrases in 2 subjects |
| General | 1 |
| Optics branch of physics | 4 |