Anh
thermionic valve
thermionic tube
Đức
Gluehkathodenroehre
Pháp
lampe à cathode chaude
tube à cathode chaude
Gluehkathodenroehre /ENG-ELECTRICAL/
[DE] Gluehkathodenroehre
[EN] thermionic valve
[FR] lampe à cathode chaude
[EN] thermionic tube
[FR] tube à cathode chaude