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bramka tranzystora polowego | |||
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siatka lampy rentgenowskiej |
rejilla : 40 phrases in 9 subjects |
Antennas and waveguides | 2 |
Chemistry | 2 |
Environment | 1 |
Nuclear physics | 1 |
Piezoelectric crystals | 2 |
Radio | 1 |
Radiology | 8 |
Semiconductors | 4 |
Vacuum tubes | 19 |