| |||
Heizstrom m | |||
Heizfadenstrom m | |||
Heizstrom m (valve) | |||
Heizstrom m (of an X-ray tube) |
filament current : 12 phrases in 8 subjects |
Antennas and waveguides | 1 |
Electronics | 2 |
Medical appliances | 1 |
Nuclear physics | 1 |
Physics | 1 |
Technology | 1 |
Vacuum tubes | 2 |
Радиоактивное излучение | 3 |