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Revision as of 08:22, 24 June 2021 by
imported>Goszei
(use default SD)
(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
Template:Sister project
Electron tube
may refer to:
Vacuum tube
, a device that controls electric current between electrodes
Gas-filled tube
, an arrangement of electrodes in a gas
Template:Disambiguation